Home / 3,425.20-4,718.58-3,258.44

Finding the Fourth Proportional to 3,425.20, 4,718.58 and 3,258.44

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Solution

The fourth proportional to 3,425.20, 4,718.58 and 3,258.44 is: 4,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.20 : 4,718.58 = 3,258.44 : x
  2. Step 2: Convert to fraction form
    3,425.20/4,718.58 = 3,258.44/x
  3. Step 3: Cross multiply
    3,425.20x = 4,718.58 × 3,258.44
  4. Step 4: Simplify right side
    3,425.20x = 15,375,209.82
  5. Step 5: Solve for x
    x = 15,375,209.82/3,425.20
  6. Step 6: Final answer
    x = 4,488.85

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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.