Home / 3,446.55-4,758.48-2,122.20

Finding the Fourth Proportional to 3,446.55, 4,758.48 and 2,122.20

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Solution

The fourth proportional to 3,446.55, 4,758.48 and 2,122.20 is: 2,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.55 : 4,758.48 = 2,122.20 : x
  2. Step 2: Convert to fraction form
    3,446.55/4,758.48 = 2,122.20/x
  3. Step 3: Cross multiply
    3,446.55x = 4,758.48 × 2,122.20
  4. Step 4: Simplify right side
    3,446.55x = 10,098,446.26
  5. Step 5: Solve for x
    x = 10,098,446.26/3,446.55
  6. Step 6: Final answer
    x = 2,930.02

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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.