Home / 3,205.68-4,423.60-2,088.76

Finding the Fourth Proportional to 3,205.68, 4,423.60 and 2,088.76

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Solution

The fourth proportional to 3,205.68, 4,423.60 and 2,088.76 is: 2,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.68 : 4,423.60 = 2,088.76 : x
  2. Step 2: Convert to fraction form
    3,205.68/4,423.60 = 2,088.76/x
  3. Step 3: Cross multiply
    3,205.68x = 4,423.60 × 2,088.76
  4. Step 4: Simplify right side
    3,205.68x = 9,239,838.74
  5. Step 5: Solve for x
    x = 9,239,838.74/3,205.68
  6. Step 6: Final answer
    x = 2,882.33

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Find fourth proportional to 1,602.84, 2,211.80 and 1,044.38
Half scale
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Double scale
Find fourth proportional to 3,206.68, 4,424.98 and 2,089.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.