Home / 2,718.92-4,076.10-1,160.12

Finding the Fourth Proportional to 2,718.92, 4,076.10 and 1,160.12

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Solution

The fourth proportional to 2,718.92, 4,076.10 and 1,160.12 is: 1,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.92 : 4,076.10 = 1,160.12 : x
  2. Step 2: Convert to fraction form
    2,718.92/4,076.10 = 1,160.12/x
  3. Step 3: Cross multiply
    2,718.92x = 4,076.10 × 1,160.12
  4. Step 4: Simplify right side
    2,718.92x = 4,728,765.13
  5. Step 5: Solve for x
    x = 4,728,765.13/2,718.92
  6. Step 6: Final answer
    x = 1,739.21

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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.