Home / 2,179.71-3,265.01-1,625.21

Finding the Fourth Proportional to 2,179.71, 3,265.01 and 1,625.21

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Solution

The fourth proportional to 2,179.71, 3,265.01 and 1,625.21 is: 2,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.71 : 3,265.01 = 1,625.21 : x
  2. Step 2: Convert to fraction form
    2,179.71/3,265.01 = 1,625.21/x
  3. Step 3: Cross multiply
    2,179.71x = 3,265.01 × 1,625.21
  4. Step 4: Simplify right side
    2,179.71x = 5,306,339.16
  5. Step 5: Solve for x
    x = 5,306,339.16/2,179.71
  6. Step 6: Final answer
    x = 2,434.42

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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.