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Finding the Fourth Proportional to 3,552.84, 5,330.10 and 1,087.68

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Solution

The fourth proportional to 3,552.84, 5,330.10 and 1,087.68 is: 1,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.84 : 5,330.10 = 1,087.68 : x
  2. Step 2: Convert to fraction form
    3,552.84/5,330.10 = 1,087.68/x
  3. Step 3: Cross multiply
    3,552.84x = 5,330.10 × 1,087.68
  4. Step 4: Simplify right side
    3,552.84x = 5,797,443.17
  5. Step 5: Solve for x
    x = 5,797,443.17/3,552.84
  6. Step 6: Final answer
    x = 1,631.78

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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.