Home / 2,757.28-4,137.04-1,771.20

Finding the Fourth Proportional to 2,757.28, 4,137.04 and 1,771.20

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Solution

The fourth proportional to 2,757.28, 4,137.04 and 1,771.20 is: 2,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.28 : 4,137.04 = 1,771.20 : x
  2. Step 2: Convert to fraction form
    2,757.28/4,137.04 = 1,771.20/x
  3. Step 3: Cross multiply
    2,757.28x = 4,137.04 × 1,771.20
  4. Step 4: Simplify right side
    2,757.28x = 7,327,525.25
  5. Step 5: Solve for x
    x = 7,327,525.25/2,757.28
  6. Step 6: Final answer
    x = 2,657.52

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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.