Home / 3,217.72-4,442.52-2,211.10

Finding the Fourth Proportional to 3,217.72, 4,442.52 and 2,211.10

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Solution

The fourth proportional to 3,217.72, 4,442.52 and 2,211.10 is: 3,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.72 : 4,442.52 = 2,211.10 : x
  2. Step 2: Convert to fraction form
    3,217.72/4,442.52 = 2,211.10/x
  3. Step 3: Cross multiply
    3,217.72x = 4,442.52 × 2,211.10
  4. Step 4: Simplify right side
    3,217.72x = 9,822,855.97
  5. Step 5: Solve for x
    x = 9,822,855.97/3,217.72
  6. Step 6: Final answer
    x = 3,052.74

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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.