Home / 4,121.11-5,687.49-2,328.92

Finding the Fourth Proportional to 4,121.11, 5,687.49 and 2,328.92

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Solution

The fourth proportional to 4,121.11, 5,687.49 and 2,328.92 is: 3,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.11 : 5,687.49 = 2,328.92 : x
  2. Step 2: Convert to fraction form
    4,121.11/5,687.49 = 2,328.92/x
  3. Step 3: Cross multiply
    4,121.11x = 5,687.49 × 2,328.92
  4. Step 4: Simplify right side
    4,121.11x = 13,245,709.21
  5. Step 5: Solve for x
    x = 13,245,709.21/4,121.11
  6. Step 6: Final answer
    x = 3,214.11

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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.