Home / 3,712.96-5,569.59-2,079.91

Finding the Fourth Proportional to 3,712.96, 5,569.59 and 2,079.91

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Solution

The fourth proportional to 3,712.96, 5,569.59 and 2,079.91 is: 3,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.96 : 5,569.59 = 2,079.91 : x
  2. Step 2: Convert to fraction form
    3,712.96/5,569.59 = 2,079.91/x
  3. Step 3: Cross multiply
    3,712.96x = 5,569.59 × 2,079.91
  4. Step 4: Simplify right side
    3,712.96x = 11,584,245.94
  5. Step 5: Solve for x
    x = 11,584,245.94/3,712.96
  6. Step 6: Final answer
    x = 3,119.95

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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.