Home / 3,691.14-5,534.80-1,225.08

Finding the Fourth Proportional to 3,691.14, 5,534.80 and 1,225.08

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Solution

The fourth proportional to 3,691.14, 5,534.80 and 1,225.08 is: 1,836.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.14 : 5,534.80 = 1,225.08 : x
  2. Step 2: Convert to fraction form
    3,691.14/5,534.80 = 1,225.08/x
  3. Step 3: Cross multiply
    3,691.14x = 5,534.80 × 1,225.08
  4. Step 4: Simplify right side
    3,691.14x = 6,780,572.78
  5. Step 5: Solve for x
    x = 6,780,572.78/3,691.14
  6. Step 6: Final answer
    x = 1,836.99

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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.