Home / 2,714.66-4,061.70-1,642.11

Finding the Fourth Proportional to 2,714.66, 4,061.70 and 1,642.11

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Solution

The fourth proportional to 2,714.66, 4,061.70 and 1,642.11 is: 2,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.66 : 4,061.70 = 1,642.11 : x
  2. Step 2: Convert to fraction form
    2,714.66/4,061.70 = 1,642.11/x
  3. Step 3: Cross multiply
    2,714.66x = 4,061.70 × 1,642.11
  4. Step 4: Simplify right side
    2,714.66x = 6,669,758.19
  5. Step 5: Solve for x
    x = 6,669,758.19/2,714.66
  6. Step 6: Final answer
    x = 2,456.95

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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.