Home / 2,841.36-4,240.02-2,819.76

Finding the Fourth Proportional to 2,841.36, 4,240.02 and 2,819.76

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Solution

The fourth proportional to 2,841.36, 4,240.02 and 2,819.76 is: 4,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.36 : 4,240.02 = 2,819.76 : x
  2. Step 2: Convert to fraction form
    2,841.36/4,240.02 = 2,819.76/x
  3. Step 3: Cross multiply
    2,841.36x = 4,240.02 × 2,819.76
  4. Step 4: Simplify right side
    2,841.36x = 11,955,838.80
  5. Step 5: Solve for x
    x = 11,955,838.80/2,841.36
  6. Step 6: Final answer
    x = 4,207.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.