Home / 3,414.72-4,714.08-2,018.88

Finding the Fourth Proportional to 3,414.72, 4,714.08 and 2,018.88

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Solution

The fourth proportional to 3,414.72, 4,714.08 and 2,018.88 is: 2,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.72 : 4,714.08 = 2,018.88 : x
  2. Step 2: Convert to fraction form
    3,414.72/4,714.08 = 2,018.88/x
  3. Step 3: Cross multiply
    3,414.72x = 4,714.08 × 2,018.88
  4. Step 4: Simplify right side
    3,414.72x = 9,517,161.83
  5. Step 5: Solve for x
    x = 9,517,161.83/3,414.72
  6. Step 6: Final answer
    x = 2,787.10

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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.