Home / 2,319.97-3,202.79-1,787.69

Finding the Fourth Proportional to 2,319.97, 3,202.79 and 1,787.69

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Solution

The fourth proportional to 2,319.97, 3,202.79 and 1,787.69 is: 2,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.97 : 3,202.79 = 1,787.69 : x
  2. Step 2: Convert to fraction form
    2,319.97/3,202.79 = 1,787.69/x
  3. Step 3: Cross multiply
    2,319.97x = 3,202.79 × 1,787.69
  4. Step 4: Simplify right side
    2,319.97x = 5,725,587.24
  5. Step 5: Solve for x
    x = 5,725,587.24/2,319.97
  6. Step 6: Final answer
    x = 2,467.95

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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.