Home / 3,827.92-5,279.70-2,483.86

Finding the Fourth Proportional to 3,827.92, 5,279.70 and 2,483.86

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Solution

The fourth proportional to 3,827.92, 5,279.70 and 2,483.86 is: 3,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.92 : 5,279.70 = 2,483.86 : x
  2. Step 2: Convert to fraction form
    3,827.92/5,279.70 = 2,483.86/x
  3. Step 3: Cross multiply
    3,827.92x = 5,279.70 × 2,483.86
  4. Step 4: Simplify right side
    3,827.92x = 13,114,035.64
  5. Step 5: Solve for x
    x = 13,114,035.64/3,827.92
  6. Step 6: Final answer
    x = 3,425.89

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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.