Home / 2,329.88-3,512.30-2,175.21

Finding the Fourth Proportional to 2,329.88, 3,512.30 and 2,175.21

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Solution

The fourth proportional to 2,329.88, 3,512.30 and 2,175.21 is: 3,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.88 : 3,512.30 = 2,175.21 : x
  2. Step 2: Convert to fraction form
    2,329.88/3,512.30 = 2,175.21/x
  3. Step 3: Cross multiply
    2,329.88x = 3,512.30 × 2,175.21
  4. Step 4: Simplify right side
    2,329.88x = 7,639,979.21
  5. Step 5: Solve for x
    x = 7,639,979.21/2,329.88
  6. Step 6: Final answer
    x = 3,279.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.