Home / 4,115.07-5,678.76-2,226.61

Finding the Fourth Proportional to 4,115.07, 5,678.76 and 2,226.61

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Solution

The fourth proportional to 4,115.07, 5,678.76 and 2,226.61 is: 3,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.07 : 5,678.76 = 2,226.61 : x
  2. Step 2: Convert to fraction form
    4,115.07/5,678.76 = 2,226.61/x
  3. Step 3: Cross multiply
    4,115.07x = 5,678.76 × 2,226.61
  4. Step 4: Simplify right side
    4,115.07x = 12,644,372.67
  5. Step 5: Solve for x
    x = 12,644,372.67/4,115.07
  6. Step 6: Final answer
    x = 3,072.70

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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.