Home / 2,462.20-3,687.90-1,727.80

Finding the Fourth Proportional to 2,462.20, 3,687.90 and 1,727.80

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Solution

The fourth proportional to 2,462.20, 3,687.90 and 1,727.80 is: 2,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.20 : 3,687.90 = 1,727.80 : x
  2. Step 2: Convert to fraction form
    2,462.20/3,687.90 = 1,727.80/x
  3. Step 3: Cross multiply
    2,462.20x = 3,687.90 × 1,727.80
  4. Step 4: Simplify right side
    2,462.20x = 6,371,953.62
  5. Step 5: Solve for x
    x = 6,371,953.62/2,462.20
  6. Step 6: Final answer
    x = 2,587.91

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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.