Home / 3,423.38-4,725.06-2,862.89

Finding the Fourth Proportional to 3,423.38, 4,725.06 and 2,862.89

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Solution

The fourth proportional to 3,423.38, 4,725.06 and 2,862.89 is: 3,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.38 : 4,725.06 = 2,862.89 : x
  2. Step 2: Convert to fraction form
    3,423.38/4,725.06 = 2,862.89/x
  3. Step 3: Cross multiply
    3,423.38x = 4,725.06 × 2,862.89
  4. Step 4: Simplify right side
    3,423.38x = 13,527,327.02
  5. Step 5: Solve for x
    x = 13,527,327.02/3,423.38
  6. Step 6: Final answer
    x = 3,951.45

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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.