Home / 2,717.32-4,077.50-1,679.86

Finding the Fourth Proportional to 2,717.32, 4,077.50 and 1,679.86

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Solution

The fourth proportional to 2,717.32, 4,077.50 and 1,679.86 is: 2,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.32 : 4,077.50 = 1,679.86 : x
  2. Step 2: Convert to fraction form
    2,717.32/4,077.50 = 1,679.86/x
  3. Step 3: Cross multiply
    2,717.32x = 4,077.50 × 1,679.86
  4. Step 4: Simplify right side
    2,717.32x = 6,849,629.15
  5. Step 5: Solve for x
    x = 6,849,629.15/2,717.32
  6. Step 6: Final answer
    x = 2,520.73

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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.