Home / 2,077.25-3,115.67-616.28

Finding the Fourth Proportional to 2,077.25, 3,115.67 and 616.28

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Solution

The fourth proportional to 2,077.25, 3,115.67 and 616.28 is: 924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.25 : 3,115.67 = 616.28 : x
  2. Step 2: Convert to fraction form
    2,077.25/3,115.67 = 616.28/x
  3. Step 3: Cross multiply
    2,077.25x = 3,115.67 × 616.28
  4. Step 4: Simplify right side
    2,077.25x = 1,920,106.45
  5. Step 5: Solve for x
    x = 1,920,106.45/2,077.25
  6. Step 6: Final answer
    x = 924.35

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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.