Home / 2,166.12-3,244.28-1,519.72

Finding the Fourth Proportional to 2,166.12, 3,244.28 and 1,519.72

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Solution

The fourth proportional to 2,166.12, 3,244.28 and 1,519.72 is: 2,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.12 : 3,244.28 = 1,519.72 : x
  2. Step 2: Convert to fraction form
    2,166.12/3,244.28 = 1,519.72/x
  3. Step 3: Cross multiply
    2,166.12x = 3,244.28 × 1,519.72
  4. Step 4: Simplify right side
    2,166.12x = 4,930,397.20
  5. Step 5: Solve for x
    x = 4,930,397.20/2,166.12
  6. Step 6: Final answer
    x = 2,276.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.