Home / 4,119.23-5,684.49-2,230.76

Finding the Fourth Proportional to 4,119.23, 5,684.49 and 2,230.76

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Solution

The fourth proportional to 4,119.23, 5,684.49 and 2,230.76 is: 3,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.23 : 5,684.49 = 2,230.76 : x
  2. Step 2: Convert to fraction form
    4,119.23/5,684.49 = 2,230.76/x
  3. Step 3: Cross multiply
    4,119.23x = 5,684.49 × 2,230.76
  4. Step 4: Simplify right side
    4,119.23x = 12,680,747.12
  5. Step 5: Solve for x
    x = 12,680,747.12/4,119.23
  6. Step 6: Final answer
    x = 3,078.42

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Half scale
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Double scale
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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.