Home / 3,679.38-5,519.27-1,488.13

Finding the Fourth Proportional to 3,679.38, 5,519.27 and 1,488.13

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Solution

The fourth proportional to 3,679.38, 5,519.27 and 1,488.13 is: 2,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.38 : 5,519.27 = 1,488.13 : x
  2. Step 2: Convert to fraction form
    3,679.38/5,519.27 = 1,488.13/x
  3. Step 3: Cross multiply
    3,679.38x = 5,519.27 × 1,488.13
  4. Step 4: Simplify right side
    3,679.38x = 8,213,381.19
  5. Step 5: Solve for x
    x = 8,213,381.19/3,679.38
  6. Step 6: Final answer
    x = 2,232.27

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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.