Home / 3,452.78-5,177.87-1,478.35

Finding the Fourth Proportional to 3,452.78, 5,177.87 and 1,478.35

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Solution

The fourth proportional to 3,452.78, 5,177.87 and 1,478.35 is: 2,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.78 : 5,177.87 = 1,478.35 : x
  2. Step 2: Convert to fraction form
    3,452.78/5,177.87 = 1,478.35/x
  3. Step 3: Cross multiply
    3,452.78x = 5,177.87 × 1,478.35
  4. Step 4: Simplify right side
    3,452.78x = 7,654,717.05
  5. Step 5: Solve for x
    x = 7,654,717.05/3,452.78
  6. Step 6: Final answer
    x = 2,216.97

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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.