Home / 1,502.42-2,252.00-1,229.72

Finding the Fourth Proportional to 1,502.42, 2,252.00 and 1,229.72

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Solution

The fourth proportional to 1,502.42, 2,252.00 and 1,229.72 is: 1,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.42 : 2,252.00 = 1,229.72 : x
  2. Step 2: Convert to fraction form
    1,502.42/2,252.00 = 1,229.72/x
  3. Step 3: Cross multiply
    1,502.42x = 2,252.00 × 1,229.72
  4. Step 4: Simplify right side
    1,502.42x = 2,769,321.25
  5. Step 5: Solve for x
    x = 2,769,321.25/1,502.42
  6. Step 6: Final answer
    x = 1,843.25

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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.