Home / 2,451.18-3,381.78-1,612.38

Finding the Fourth Proportional to 2,451.18, 3,381.78 and 1,612.38

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Solution

The fourth proportional to 2,451.18, 3,381.78 and 1,612.38 is: 2,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.18 : 3,381.78 = 1,612.38 : x
  2. Step 2: Convert to fraction form
    2,451.18/3,381.78 = 1,612.38/x
  3. Step 3: Cross multiply
    2,451.18x = 3,381.78 × 1,612.38
  4. Step 4: Simplify right side
    2,451.18x = 5,452,714.44
  5. Step 5: Solve for x
    x = 5,452,714.44/2,451.18
  6. Step 6: Final answer
    x = 2,224.53

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Half scale
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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.