Home / 2,329.97-3,215.50-1,282.03

Finding the Fourth Proportional to 2,329.97, 3,215.50 and 1,282.03

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Solution

The fourth proportional to 2,329.97, 3,215.50 and 1,282.03 is: 1,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.97 : 3,215.50 = 1,282.03 : x
  2. Step 2: Convert to fraction form
    2,329.97/3,215.50 = 1,282.03/x
  3. Step 3: Cross multiply
    2,329.97x = 3,215.50 × 1,282.03
  4. Step 4: Simplify right side
    2,329.97x = 4,122,356.22
  5. Step 5: Solve for x
    x = 4,122,356.22/2,329.97
  6. Step 6: Final answer
    x = 1,769.28

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1.5x scale

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.