Home / 3,425.98-4,747.39-3,217.90

Finding the Fourth Proportional to 3,425.98, 4,747.39 and 3,217.90

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Solution

The fourth proportional to 3,425.98, 4,747.39 and 3,217.90 is: 4,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.98 : 4,747.39 = 3,217.90 : x
  2. Step 2: Convert to fraction form
    3,425.98/4,747.39 = 3,217.90/x
  3. Step 3: Cross multiply
    3,425.98x = 4,747.39 × 3,217.90
  4. Step 4: Simplify right side
    3,425.98x = 15,276,626.28
  5. Step 5: Solve for x
    x = 15,276,626.28/3,425.98
  6. Step 6: Final answer
    x = 4,459.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.