Home / 2,251.48-3,397.52-2,170.12

Finding the Fourth Proportional to 2,251.48, 3,397.52 and 2,170.12

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Solution

The fourth proportional to 2,251.48, 3,397.52 and 2,170.12 is: 3,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.48 : 3,397.52 = 2,170.12 : x
  2. Step 2: Convert to fraction form
    2,251.48/3,397.52 = 2,170.12/x
  3. Step 3: Cross multiply
    2,251.48x = 3,397.52 × 2,170.12
  4. Step 4: Simplify right side
    2,251.48x = 7,373,026.10
  5. Step 5: Solve for x
    x = 7,373,026.10/2,251.48
  6. Step 6: Final answer
    x = 3,274.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.