Home / 2,449.20-3,671.91-2,124.12

Finding the Fourth Proportional to 2,449.20, 3,671.91 and 2,124.12

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Solution

The fourth proportional to 2,449.20, 3,671.91 and 2,124.12 is: 3,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.20 : 3,671.91 = 2,124.12 : x
  2. Step 2: Convert to fraction form
    2,449.20/3,671.91 = 2,124.12/x
  3. Step 3: Cross multiply
    2,449.20x = 3,671.91 × 2,124.12
  4. Step 4: Simplify right side
    2,449.20x = 7,799,577.47
  5. Step 5: Solve for x
    x = 7,799,577.47/2,449.20
  6. Step 6: Final answer
    x = 3,184.54

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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.