Home / 2,777.28-4,171.32-2,043.96

Finding the Fourth Proportional to 2,777.28, 4,171.32 and 2,043.96

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Solution

The fourth proportional to 2,777.28, 4,171.32 and 2,043.96 is: 3,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.28 : 4,171.32 = 2,043.96 : x
  2. Step 2: Convert to fraction form
    2,777.28/4,171.32 = 2,043.96/x
  3. Step 3: Cross multiply
    2,777.28x = 4,171.32 × 2,043.96
  4. Step 4: Simplify right side
    2,777.28x = 8,526,011.23
  5. Step 5: Solve for x
    x = 8,526,011.23/2,777.28
  6. Step 6: Final answer
    x = 3,069.91

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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.