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Finding the Fourth Proportional to 1,250.52, 1,871.94 and 1,043.16

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Solution

The fourth proportional to 1,250.52, 1,871.94 and 1,043.16 is: 1,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.52 : 1,871.94 = 1,043.16 : x
  2. Step 2: Convert to fraction form
    1,250.52/1,871.94 = 1,043.16/x
  3. Step 3: Cross multiply
    1,250.52x = 1,871.94 × 1,043.16
  4. Step 4: Simplify right side
    1,250.52x = 1,952,732.93
  5. Step 5: Solve for x
    x = 1,952,732.93/1,250.52
  6. Step 6: Final answer
    x = 1,561.54

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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.