Home / 2,077.38-3,115.14-616.02

Finding the Fourth Proportional to 2,077.38, 3,115.14 and 616.02

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Solution

The fourth proportional to 2,077.38, 3,115.14 and 616.02 is: 923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.38 : 3,115.14 = 616.02 : x
  2. Step 2: Convert to fraction form
    2,077.38/3,115.14 = 616.02/x
  3. Step 3: Cross multiply
    2,077.38x = 3,115.14 × 616.02
  4. Step 4: Simplify right side
    2,077.38x = 1,918,988.54
  5. Step 5: Solve for x
    x = 1,918,988.54/2,077.38
  6. Step 6: Final answer
    x = 923.75

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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.