Home / 3,538.42-4,882.88-1,966.61

Finding the Fourth Proportional to 3,538.42, 4,882.88 and 1,966.61

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Solution

The fourth proportional to 3,538.42, 4,882.88 and 1,966.61 is: 2,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.42 : 4,882.88 = 1,966.61 : x
  2. Step 2: Convert to fraction form
    3,538.42/4,882.88 = 1,966.61/x
  3. Step 3: Cross multiply
    3,538.42x = 4,882.88 × 1,966.61
  4. Step 4: Simplify right side
    3,538.42x = 9,602,737.76
  5. Step 5: Solve for x
    x = 9,602,737.76/3,538.42
  6. Step 6: Final answer
    x = 2,713.85

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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.