Home / 3,690.74-5,538.38-1,499.49

Finding the Fourth Proportional to 3,690.74, 5,538.38 and 1,499.49

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Solution

The fourth proportional to 3,690.74, 5,538.38 and 1,499.49 is: 2,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.74 : 5,538.38 = 1,499.49 : x
  2. Step 2: Convert to fraction form
    3,690.74/5,538.38 = 1,499.49/x
  3. Step 3: Cross multiply
    3,690.74x = 5,538.38 × 1,499.49
  4. Step 4: Simplify right side
    3,690.74x = 8,304,737.93
  5. Step 5: Solve for x
    x = 8,304,737.93/3,690.74
  6. Step 6: Final answer
    x = 2,250.15

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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.