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Finding the Fourth Proportional to 3,500.88, 5,251.52 and 903.75

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Solution

The fourth proportional to 3,500.88, 5,251.52 and 903.75 is: 1,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.88 : 5,251.52 = 903.75 : x
  2. Step 2: Convert to fraction form
    3,500.88/5,251.52 = 903.75/x
  3. Step 3: Cross multiply
    3,500.88x = 5,251.52 × 903.75
  4. Step 4: Simplify right side
    3,500.88x = 4,746,063.46
  5. Step 5: Solve for x
    x = 4,746,063.46/3,500.88
  6. Step 6: Final answer
    x = 1,355.68

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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.