Home / 4,230.60-5,839.16-2,660.80

Finding the Fourth Proportional to 4,230.60, 5,839.16 and 2,660.80

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Solution

The fourth proportional to 4,230.60, 5,839.16 and 2,660.80 is: 3,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.60 : 5,839.16 = 2,660.80 : x
  2. Step 2: Convert to fraction form
    4,230.60/5,839.16 = 2,660.80/x
  3. Step 3: Cross multiply
    4,230.60x = 5,839.16 × 2,660.80
  4. Step 4: Simplify right side
    4,230.60x = 15,536,836.93
  5. Step 5: Solve for x
    x = 15,536,836.93/4,230.60
  6. Step 6: Final answer
    x = 3,672.49

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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.