Home / 3,152.68-4,349.16-2,449.20

Finding the Fourth Proportional to 3,152.68, 4,349.16 and 2,449.20

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Solution

The fourth proportional to 3,152.68, 4,349.16 and 2,449.20 is: 3,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.68 : 4,349.16 = 2,449.20 : x
  2. Step 2: Convert to fraction form
    3,152.68/4,349.16 = 2,449.20/x
  3. Step 3: Cross multiply
    3,152.68x = 4,349.16 × 2,449.20
  4. Step 4: Simplify right side
    3,152.68x = 10,651,962.67
  5. Step 5: Solve for x
    x = 10,651,962.67/3,152.68
  6. Step 6: Final answer
    x = 3,378.70

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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.