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Finding the Fourth Proportional to 1,250.02, 1,871.79 and 1,043.47

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Solution

The fourth proportional to 1,250.02, 1,871.79 and 1,043.47 is: 1,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.02 : 1,871.79 = 1,043.47 : x
  2. Step 2: Convert to fraction form
    1,250.02/1,871.79 = 1,043.47/x
  3. Step 3: Cross multiply
    1,250.02x = 1,871.79 × 1,043.47
  4. Step 4: Simplify right side
    1,250.02x = 1,953,156.71
  5. Step 5: Solve for x
    x = 1,953,156.71/1,250.02
  6. Step 6: Final answer
    x = 1,562.50

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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.