Home / 3,184.68-4,394.70-1,787.88

Finding the Fourth Proportional to 3,184.68, 4,394.70 and 1,787.88

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Solution

The fourth proportional to 3,184.68, 4,394.70 and 1,787.88 is: 2,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.68 : 4,394.70 = 1,787.88 : x
  2. Step 2: Convert to fraction form
    3,184.68/4,394.70 = 1,787.88/x
  3. Step 3: Cross multiply
    3,184.68x = 4,394.70 × 1,787.88
  4. Step 4: Simplify right side
    3,184.68x = 7,857,196.24
  5. Step 5: Solve for x
    x = 7,857,196.24/3,184.68
  6. Step 6: Final answer
    x = 2,467.19

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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.