Home / 2,549.18-3,820.68-1,160.61

Finding the Fourth Proportional to 2,549.18, 3,820.68 and 1,160.61

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Solution

The fourth proportional to 2,549.18, 3,820.68 and 1,160.61 is: 1,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.18 : 3,820.68 = 1,160.61 : x
  2. Step 2: Convert to fraction form
    2,549.18/3,820.68 = 1,160.61/x
  3. Step 3: Cross multiply
    2,549.18x = 3,820.68 × 1,160.61
  4. Step 4: Simplify right side
    2,549.18x = 4,434,319.41
  5. Step 5: Solve for x
    x = 4,434,319.41/2,549.18
  6. Step 6: Final answer
    x = 1,739.51

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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.