Home / 3,712.27-5,590.28-2,679.55

Finding the Fourth Proportional to 3,712.27, 5,590.28 and 2,679.55

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Solution

The fourth proportional to 3,712.27, 5,590.28 and 2,679.55 is: 4,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.27 : 5,590.28 = 2,679.55 : x
  2. Step 2: Convert to fraction form
    3,712.27/5,590.28 = 2,679.55/x
  3. Step 3: Cross multiply
    3,712.27x = 5,590.28 × 2,679.55
  4. Step 4: Simplify right side
    3,712.27x = 14,979,434.77
  5. Step 5: Solve for x
    x = 14,979,434.77/3,712.27
  6. Step 6: Final answer
    x = 4,035.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.