Home / 2,255.14-3,382.76-868.32

Finding the Fourth Proportional to 2,255.14, 3,382.76 and 868.32

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Solution

The fourth proportional to 2,255.14, 3,382.76 and 868.32 is: 1,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.14 : 3,382.76 = 868.32 : x
  2. Step 2: Convert to fraction form
    2,255.14/3,382.76 = 868.32/x
  3. Step 3: Cross multiply
    2,255.14x = 3,382.76 × 868.32
  4. Step 4: Simplify right side
    2,255.14x = 2,937,320.33
  5. Step 5: Solve for x
    x = 2,937,320.33/2,255.14
  6. Step 6: Final answer
    x = 1,302.50

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1.5x scale

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.