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Finding the Fourth Proportional to 2,757.17, 3,803.55 and 1,577.54

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Solution

The fourth proportional to 2,757.17, 3,803.55 and 1,577.54 is: 2,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.17 : 3,803.55 = 1,577.54 : x
  2. Step 2: Convert to fraction form
    2,757.17/3,803.55 = 1,577.54/x
  3. Step 3: Cross multiply
    2,757.17x = 3,803.55 × 1,577.54
  4. Step 4: Simplify right side
    2,757.17x = 6,000,233.25
  5. Step 5: Solve for x
    x = 6,000,233.25/2,757.17
  6. Step 6: Final answer
    x = 2,176.23

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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.