Home / 3,679.97-5,519.96-1,488.72

Finding the Fourth Proportional to 3,679.97, 5,519.96 and 1,488.72

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Solution

The fourth proportional to 3,679.97, 5,519.96 and 1,488.72 is: 2,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.97 : 5,519.96 = 1,488.72 : x
  2. Step 2: Convert to fraction form
    3,679.97/5,519.96 = 1,488.72/x
  3. Step 3: Cross multiply
    3,679.97x = 5,519.96 × 1,488.72
  4. Step 4: Simplify right side
    3,679.97x = 8,217,678.57
  5. Step 5: Solve for x
    x = 8,217,678.57/3,679.97
  6. Step 6: Final answer
    x = 2,233.08

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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.