Home / 3,519.08-5,278.62-1,020.52

Finding the Fourth Proportional to 3,519.08, 5,278.62 and 1,020.52

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Solution

The fourth proportional to 3,519.08, 5,278.62 and 1,020.52 is: 1,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.08 : 5,278.62 = 1,020.52 : x
  2. Step 2: Convert to fraction form
    3,519.08/5,278.62 = 1,020.52/x
  3. Step 3: Cross multiply
    3,519.08x = 5,278.62 × 1,020.52
  4. Step 4: Simplify right side
    3,519.08x = 5,386,937.28
  5. Step 5: Solve for x
    x = 5,386,937.28/3,519.08
  6. Step 6: Final answer
    x = 1,530.78

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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.