Home / 2,104.19-3,155.91-717.42

Finding the Fourth Proportional to 2,104.19, 3,155.91 and 717.42

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Solution

The fourth proportional to 2,104.19, 3,155.91 and 717.42 is: 1,076.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.19 : 3,155.91 = 717.42 : x
  2. Step 2: Convert to fraction form
    2,104.19/3,155.91 = 717.42/x
  3. Step 3: Cross multiply
    2,104.19x = 3,155.91 × 717.42
  4. Step 4: Simplify right side
    2,104.19x = 2,264,112.95
  5. Step 5: Solve for x
    x = 2,264,112.95/2,104.19
  6. Step 6: Final answer
    x = 1,076.00

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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.