Home / 2,561.45-3,842.13-1,174.38

Finding the Fourth Proportional to 2,561.45, 3,842.13 and 1,174.38

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Solution

The fourth proportional to 2,561.45, 3,842.13 and 1,174.38 is: 1,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.45 : 3,842.13 = 1,174.38 : x
  2. Step 2: Convert to fraction form
    2,561.45/3,842.13 = 1,174.38/x
  3. Step 3: Cross multiply
    2,561.45x = 3,842.13 × 1,174.38
  4. Step 4: Simplify right side
    2,561.45x = 4,512,120.63
  5. Step 5: Solve for x
    x = 4,512,120.63/2,561.45
  6. Step 6: Final answer
    x = 1,761.55

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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.