Home / 3,840.08-5,301.16-2,425.82

Finding the Fourth Proportional to 3,840.08, 5,301.16 and 2,425.82

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Solution

The fourth proportional to 3,840.08, 5,301.16 and 2,425.82 is: 3,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.08 : 5,301.16 = 2,425.82 : x
  2. Step 2: Convert to fraction form
    3,840.08/5,301.16 = 2,425.82/x
  3. Step 3: Cross multiply
    3,840.08x = 5,301.16 × 2,425.82
  4. Step 4: Simplify right side
    3,840.08x = 12,859,627.38
  5. Step 5: Solve for x
    x = 12,859,627.38/3,840.08
  6. Step 6: Final answer
    x = 3,348.80

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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.