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Finding the Fourth Proportional to 2,505.42, 3,451.41 and 1,757.97

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Solution

The fourth proportional to 2,505.42, 3,451.41 and 1,757.97 is: 2,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.42 : 3,451.41 = 1,757.97 : x
  2. Step 2: Convert to fraction form
    2,505.42/3,451.41 = 1,757.97/x
  3. Step 3: Cross multiply
    2,505.42x = 3,451.41 × 1,757.97
  4. Step 4: Simplify right side
    2,505.42x = 6,067,475.24
  5. Step 5: Solve for x
    x = 6,067,475.24/2,505.42
  6. Step 6: Final answer
    x = 2,421.74

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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.