Home / 2,799.60-4,199.31-2,755.55

Finding the Fourth Proportional to 2,799.60, 4,199.31 and 2,755.55

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Solution

The fourth proportional to 2,799.60, 4,199.31 and 2,755.55 is: 4,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.60 : 4,199.31 = 2,755.55 : x
  2. Step 2: Convert to fraction form
    2,799.60/4,199.31 = 2,755.55/x
  3. Step 3: Cross multiply
    2,799.60x = 4,199.31 × 2,755.55
  4. Step 4: Simplify right side
    2,799.60x = 11,571,387.67
  5. Step 5: Solve for x
    x = 11,571,387.67/2,799.60
  6. Step 6: Final answer
    x = 4,133.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.