Home / 2,792.96-4,187.55-1,149.02

Finding the Fourth Proportional to 2,792.96, 4,187.55 and 1,149.02

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Solution

The fourth proportional to 2,792.96, 4,187.55 and 1,149.02 is: 1,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.96 : 4,187.55 = 1,149.02 : x
  2. Step 2: Convert to fraction form
    2,792.96/4,187.55 = 1,149.02/x
  3. Step 3: Cross multiply
    2,792.96x = 4,187.55 × 1,149.02
  4. Step 4: Simplify right side
    2,792.96x = 4,811,578.70
  5. Step 5: Solve for x
    x = 4,811,578.70/2,792.96
  6. Step 6: Final answer
    x = 1,722.75

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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.