Home / 2,723.60-4,085.40-1,337.15

Finding the Fourth Proportional to 2,723.60, 4,085.40 and 1,337.15

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Solution

The fourth proportional to 2,723.60, 4,085.40 and 1,337.15 is: 2,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.60 : 4,085.40 = 1,337.15 : x
  2. Step 2: Convert to fraction form
    2,723.60/4,085.40 = 1,337.15/x
  3. Step 3: Cross multiply
    2,723.60x = 4,085.40 × 1,337.15
  4. Step 4: Simplify right side
    2,723.60x = 5,462,792.61
  5. Step 5: Solve for x
    x = 5,462,792.61/2,723.60
  6. Step 6: Final answer
    x = 2,005.73

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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.