Home / 3,712.23-5,569.21-1,079.80

Finding the Fourth Proportional to 3,712.23, 5,569.21 and 1,079.80

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Solution

The fourth proportional to 3,712.23, 5,569.21 and 1,079.80 is: 1,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.23 : 5,569.21 = 1,079.80 : x
  2. Step 2: Convert to fraction form
    3,712.23/5,569.21 = 1,079.80/x
  3. Step 3: Cross multiply
    3,712.23x = 5,569.21 × 1,079.80
  4. Step 4: Simplify right side
    3,712.23x = 6,013,613.64
  5. Step 5: Solve for x
    x = 6,013,613.64/3,712.23
  6. Step 6: Final answer
    x = 1,619.95

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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.