Home / 3,261.68-4,877.76-2,088.80

Finding the Fourth Proportional to 3,261.68, 4,877.76 and 2,088.80

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Solution

The fourth proportional to 3,261.68, 4,877.76 and 2,088.80 is: 3,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.68 : 4,877.76 = 2,088.80 : x
  2. Step 2: Convert to fraction form
    3,261.68/4,877.76 = 2,088.80/x
  3. Step 3: Cross multiply
    3,261.68x = 4,877.76 × 2,088.80
  4. Step 4: Simplify right side
    3,261.68x = 10,188,665.09
  5. Step 5: Solve for x
    x = 10,188,665.09/3,261.68
  6. Step 6: Final answer
    x = 3,123.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.