Home / 2,240.78-3,092.11-1,246.02

Finding the Fourth Proportional to 2,240.78, 3,092.11 and 1,246.02

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Solution

The fourth proportional to 2,240.78, 3,092.11 and 1,246.02 is: 1,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.78 : 3,092.11 = 1,246.02 : x
  2. Step 2: Convert to fraction form
    2,240.78/3,092.11 = 1,246.02/x
  3. Step 3: Cross multiply
    2,240.78x = 3,092.11 × 1,246.02
  4. Step 4: Simplify right side
    2,240.78x = 3,852,830.90
  5. Step 5: Solve for x
    x = 3,852,830.90/2,240.78
  6. Step 6: Final answer
    x = 1,719.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.