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Finding the Fourth Proportional to 2,601.52, 3,901.77 and 752.19

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Solution

The fourth proportional to 2,601.52, 3,901.77 and 752.19 is: 1,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.52 : 3,901.77 = 752.19 : x
  2. Step 2: Convert to fraction form
    2,601.52/3,901.77 = 752.19/x
  3. Step 3: Cross multiply
    2,601.52x = 3,901.77 × 752.19
  4. Step 4: Simplify right side
    2,601.52x = 2,934,857.74
  5. Step 5: Solve for x
    x = 2,934,857.74/2,601.52
  6. Step 6: Final answer
    x = 1,128.13

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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.