Home / 4,143.46-5,717.89-2,255.08

Finding the Fourth Proportional to 4,143.46, 5,717.89 and 2,255.08

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Solution

The fourth proportional to 4,143.46, 5,717.89 and 2,255.08 is: 3,111.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.46 : 5,717.89 = 2,255.08 : x
  2. Step 2: Convert to fraction form
    4,143.46/5,717.89 = 2,255.08/x
  3. Step 3: Cross multiply
    4,143.46x = 5,717.89 × 2,255.08
  4. Step 4: Simplify right side
    4,143.46x = 12,894,299.38
  5. Step 5: Solve for x
    x = 12,894,299.38/4,143.46
  6. Step 6: Final answer
    x = 3,111.96

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Half 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.