Home / 3,639.27-5,459.76-1,042.14

Finding the Fourth Proportional to 3,639.27, 5,459.76 and 1,042.14

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Solution

The fourth proportional to 3,639.27, 5,459.76 and 1,042.14 is: 1,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.27 : 5,459.76 = 1,042.14 : x
  2. Step 2: Convert to fraction form
    3,639.27/5,459.76 = 1,042.14/x
  3. Step 3: Cross multiply
    3,639.27x = 5,459.76 × 1,042.14
  4. Step 4: Simplify right side
    3,639.27x = 5,689,834.29
  5. Step 5: Solve for x
    x = 5,689,834.29/3,639.27
  6. Step 6: Final answer
    x = 1,563.45

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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.