Home / 2,792.21-4,189.19-1,149.53

Finding the Fourth Proportional to 2,792.21, 4,189.19 and 1,149.53

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Solution

The fourth proportional to 2,792.21, 4,189.19 and 1,149.53 is: 1,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.21 : 4,189.19 = 1,149.53 : x
  2. Step 2: Convert to fraction form
    2,792.21/4,189.19 = 1,149.53/x
  3. Step 3: Cross multiply
    2,792.21x = 4,189.19 × 1,149.53
  4. Step 4: Simplify right side
    2,792.21x = 4,815,572.89
  5. Step 5: Solve for x
    x = 4,815,572.89/2,792.21
  6. Step 6: Final answer
    x = 1,724.65

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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.