Home / 3,151.22-4,728.66-2,982.32

Finding the Fourth Proportional to 3,151.22, 4,728.66 and 2,982.32

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Solution

The fourth proportional to 3,151.22, 4,728.66 and 2,982.32 is: 4,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.22 : 4,728.66 = 2,982.32 : x
  2. Step 2: Convert to fraction form
    3,151.22/4,728.66 = 2,982.32/x
  3. Step 3: Cross multiply
    3,151.22x = 4,728.66 × 2,982.32
  4. Step 4: Simplify right side
    3,151.22x = 14,102,377.29
  5. Step 5: Solve for x
    x = 14,102,377.29/3,151.22
  6. Step 6: Final answer
    x = 4,475.21

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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.