Home / 4,046.82-5,585.13-2,278.86

Finding the Fourth Proportional to 4,046.82, 5,585.13 and 2,278.86

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Solution

The fourth proportional to 4,046.82, 5,585.13 and 2,278.86 is: 3,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046.82 : 5,585.13 = 2,278.86 : x
  2. Step 2: Convert to fraction form
    4,046.82/5,585.13 = 2,278.86/x
  3. Step 3: Cross multiply
    4,046.82x = 5,585.13 × 2,278.86
  4. Step 4: Simplify right side
    4,046.82x = 12,727,729.35
  5. Step 5: Solve for x
    x = 12,727,729.35/4,046.82
  6. Step 6: Final answer
    x = 3,145.12

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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.