Home / 2,772.17-4,150.26-2,577.55

Finding the Fourth Proportional to 2,772.17, 4,150.26 and 2,577.55

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Solution

The fourth proportional to 2,772.17, 4,150.26 and 2,577.55 is: 3,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.17 : 4,150.26 = 2,577.55 : x
  2. Step 2: Convert to fraction form
    2,772.17/4,150.26 = 2,577.55/x
  3. Step 3: Cross multiply
    2,772.17x = 4,150.26 × 2,577.55
  4. Step 4: Simplify right side
    2,772.17x = 10,697,481.91
  5. Step 5: Solve for x
    x = 10,697,481.91/2,772.17
  6. Step 6: Final answer
    x = 3,858.88

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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.