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Finding the Fourth Proportional to 3,697.52, 5,102.57 and 2,125.52

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Solution

The fourth proportional to 3,697.52, 5,102.57 and 2,125.52 is: 2,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.52 : 5,102.57 = 2,125.52 : x
  2. Step 2: Convert to fraction form
    3,697.52/5,102.57 = 2,125.52/x
  3. Step 3: Cross multiply
    3,697.52x = 5,102.57 × 2,125.52
  4. Step 4: Simplify right side
    3,697.52x = 10,845,594.39
  5. Step 5: Solve for x
    x = 10,845,594.39/3,697.52
  6. Step 6: Final answer
    x = 2,933.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.