Home / 1,155.17-1,733.00-424.76

Finding the Fourth Proportional to 1,155.17, 1,733.00 and 424.76

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Solution

The fourth proportional to 1,155.17, 1,733.00 and 424.76 is: 637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.17 : 1,733.00 = 424.76 : x
  2. Step 2: Convert to fraction form
    1,155.17/1,733.00 = 424.76/x
  3. Step 3: Cross multiply
    1,155.17x = 1,733.00 × 424.76
  4. Step 4: Simplify right side
    1,155.17x = 736,098.29
  5. Step 5: Solve for x
    x = 736,098.29/1,155.17
  6. Step 6: Final answer
    x = 637.22

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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.