Home / 3,840.60-5,299.92-2,348.64

Finding the Fourth Proportional to 3,840.60, 5,299.92 and 2,348.64

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Solution

The fourth proportional to 3,840.60, 5,299.92 and 2,348.64 is: 3,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.60 : 5,299.92 = 2,348.64 : x
  2. Step 2: Convert to fraction form
    3,840.60/5,299.92 = 2,348.64/x
  3. Step 3: Cross multiply
    3,840.60x = 5,299.92 × 2,348.64
  4. Step 4: Simplify right side
    3,840.60x = 12,447,604.11
  5. Step 5: Solve for x
    x = 12,447,604.11/3,840.60
  6. Step 6: Final answer
    x = 3,241.06

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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.