Home / 1,243.53-1,865.25-502.93

Finding the Fourth Proportional to 1,243.53, 1,865.25 and 502.93

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Solution

The fourth proportional to 1,243.53, 1,865.25 and 502.93 is: 754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243.53 : 1,865.25 = 502.93 : x
  2. Step 2: Convert to fraction form
    1,243.53/1,865.25 = 502.93/x
  3. Step 3: Cross multiply
    1,243.53x = 1,865.25 × 502.93
  4. Step 4: Simplify right side
    1,243.53x = 938,078.34
  5. Step 5: Solve for x
    x = 938,078.34/1,243.53
  6. Step 6: Final answer
    x = 754.37

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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.