Home / 3,958.14-5,462.64-2,279.61

Finding the Fourth Proportional to 3,958.14, 5,462.64 and 2,279.61

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Solution

The fourth proportional to 3,958.14, 5,462.64 and 2,279.61 is: 3,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.14 : 5,462.64 = 2,279.61 : x
  2. Step 2: Convert to fraction form
    3,958.14/5,462.64 = 2,279.61/x
  3. Step 3: Cross multiply
    3,958.14x = 5,462.64 × 2,279.61
  4. Step 4: Simplify right side
    3,958.14x = 12,452,688.77
  5. Step 5: Solve for x
    x = 12,452,688.77/3,958.14
  6. Step 6: Final answer
    x = 3,146.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.