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Finding the Fourth Proportional to 1,535.52, 2,301.08 and 754.92

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Solution

The fourth proportional to 1,535.52, 2,301.08 and 754.92 is: 1,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.52 : 2,301.08 = 754.92 : x
  2. Step 2: Convert to fraction form
    1,535.52/2,301.08 = 754.92/x
  3. Step 3: Cross multiply
    1,535.52x = 2,301.08 × 754.92
  4. Step 4: Simplify right side
    1,535.52x = 1,737,131.31
  5. Step 5: Solve for x
    x = 1,737,131.31/1,535.52
  6. Step 6: Final answer
    x = 1,131.30

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1.5x scale

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.