Home / 3,680.77-5,081.56-2,425.47

Finding the Fourth Proportional to 3,680.77, 5,081.56 and 2,425.47

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Solution

The fourth proportional to 3,680.77, 5,081.56 and 2,425.47 is: 3,348.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.77 : 5,081.56 = 2,425.47 : x
  2. Step 2: Convert to fraction form
    3,680.77/5,081.56 = 2,425.47/x
  3. Step 3: Cross multiply
    3,680.77x = 5,081.56 × 2,425.47
  4. Step 4: Simplify right side
    3,680.77x = 12,325,177.97
  5. Step 5: Solve for x
    x = 12,325,177.97/3,680.77
  6. Step 6: Final answer
    x = 3,348.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.