Home / 2,077.20-3,115.26-616.01

Finding the Fourth Proportional to 2,077.20, 3,115.26 and 616.01

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Solution

The fourth proportional to 2,077.20, 3,115.26 and 616.01 is: 923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.20 : 3,115.26 = 616.01 : x
  2. Step 2: Convert to fraction form
    2,077.20/3,115.26 = 616.01/x
  3. Step 3: Cross multiply
    2,077.20x = 3,115.26 × 616.01
  4. Step 4: Simplify right side
    2,077.20x = 1,919,015.74
  5. Step 5: Solve for x
    x = 1,919,015.74/2,077.20
  6. Step 6: Final answer
    x = 923.85

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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.