Home / 1,077.38-1,615.20-1,016.27

Finding the Fourth Proportional to 1,077.38, 1,615.20 and 1,016.27

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Solution

The fourth proportional to 1,077.38, 1,615.20 and 1,016.27 is: 1,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077.38 : 1,615.20 = 1,016.27 : x
  2. Step 2: Convert to fraction form
    1,077.38/1,615.20 = 1,016.27/x
  3. Step 3: Cross multiply
    1,077.38x = 1,615.20 × 1,016.27
  4. Step 4: Simplify right side
    1,077.38x = 1,641,479.30
  5. Step 5: Solve for x
    x = 1,641,479.30/1,077.38
  6. Step 6: Final answer
    x = 1,523.58

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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.