Home / 2,714.20-4,065.66-1,411.72

Finding the Fourth Proportional to 2,714.20, 4,065.66 and 1,411.72

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Solution

The fourth proportional to 2,714.20, 4,065.66 and 1,411.72 is: 2,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.20 : 4,065.66 = 1,411.72 : x
  2. Step 2: Convert to fraction form
    2,714.20/4,065.66 = 1,411.72/x
  3. Step 3: Cross multiply
    2,714.20x = 4,065.66 × 1,411.72
  4. Step 4: Simplify right side
    2,714.20x = 5,739,573.54
  5. Step 5: Solve for x
    x = 5,739,573.54/2,714.20
  6. Step 6: Final answer
    x = 2,114.65

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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.