Home / 3,498.52-5,248.30-2,181.20

Finding the Fourth Proportional to 3,498.52, 5,248.30 and 2,181.20

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Solution

The fourth proportional to 3,498.52, 5,248.30 and 2,181.20 is: 3,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.52 : 5,248.30 = 2,181.20 : x
  2. Step 2: Convert to fraction form
    3,498.52/5,248.30 = 2,181.20/x
  3. Step 3: Cross multiply
    3,498.52x = 5,248.30 × 2,181.20
  4. Step 4: Simplify right side
    3,498.52x = 11,447,591.96
  5. Step 5: Solve for x
    x = 11,447,591.96/3,498.52
  6. Step 6: Final answer
    x = 3,272.12

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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.