Home / 2,792.31-4,186.86-1,149.99

Finding the Fourth Proportional to 2,792.31, 4,186.86 and 1,149.99

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Solution

The fourth proportional to 2,792.31, 4,186.86 and 1,149.99 is: 1,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.31 : 4,186.86 = 1,149.99 : x
  2. Step 2: Convert to fraction form
    2,792.31/4,186.86 = 1,149.99/x
  3. Step 3: Cross multiply
    2,792.31x = 4,186.86 × 1,149.99
  4. Step 4: Simplify right side
    2,792.31x = 4,814,847.13
  5. Step 5: Solve for x
    x = 4,814,847.13/2,792.31
  6. Step 6: Final answer
    x = 1,724.32

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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.