Home / 3,943.29-5,916.96-2,387.01

Finding the Fourth Proportional to 3,943.29, 5,916.96 and 2,387.01

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Solution

The fourth proportional to 3,943.29, 5,916.96 and 2,387.01 is: 3,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.29 : 5,916.96 = 2,387.01 : x
  2. Step 2: Convert to fraction form
    3,943.29/5,916.96 = 2,387.01/x
  3. Step 3: Cross multiply
    3,943.29x = 5,916.96 × 2,387.01
  4. Step 4: Simplify right side
    3,943.29x = 14,123,842.69
  5. Step 5: Solve for x
    x = 14,123,842.69/3,943.29
  6. Step 6: Final answer
    x = 3,581.74

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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.