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Finding the Fourth Proportional to 1,502.49, 2,253.86 and 406.86

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Solution

The fourth proportional to 1,502.49, 2,253.86 and 406.86 is: 610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.49 : 2,253.86 = 406.86 : x
  2. Step 2: Convert to fraction form
    1,502.49/2,253.86 = 406.86/x
  3. Step 3: Cross multiply
    1,502.49x = 2,253.86 × 406.86
  4. Step 4: Simplify right side
    1,502.49x = 917,005.48
  5. Step 5: Solve for x
    x = 917,005.48/1,502.49
  6. Step 6: Final answer
    x = 610.32

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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.