Home / 3,542.49-5,312.25-1,076.72

Finding the Fourth Proportional to 3,542.49, 5,312.25 and 1,076.72

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Solution

The fourth proportional to 3,542.49, 5,312.25 and 1,076.72 is: 1,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.49 : 5,312.25 = 1,076.72 : x
  2. Step 2: Convert to fraction form
    3,542.49/5,312.25 = 1,076.72/x
  3. Step 3: Cross multiply
    3,542.49x = 5,312.25 × 1,076.72
  4. Step 4: Simplify right side
    3,542.49x = 5,719,779.26
  5. Step 5: Solve for x
    x = 5,719,779.26/3,542.49
  6. Step 6: Final answer
    x = 1,614.62

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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.