Home / 2,740.57-4,112.97-1,098.19

Finding the Fourth Proportional to 2,740.57, 4,112.97 and 1,098.19

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Solution

The fourth proportional to 2,740.57, 4,112.97 and 1,098.19 is: 1,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.57 : 4,112.97 = 1,098.19 : x
  2. Step 2: Convert to fraction form
    2,740.57/4,112.97 = 1,098.19/x
  3. Step 3: Cross multiply
    2,740.57x = 4,112.97 × 1,098.19
  4. Step 4: Simplify right side
    2,740.57x = 4,516,812.24
  5. Step 5: Solve for x
    x = 4,516,812.24/2,740.57
  6. Step 6: Final answer
    x = 1,648.13

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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.