Home / 2,751.32-4,128.35-2,388.66

Finding the Fourth Proportional to 2,751.32, 4,128.35 and 2,388.66

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Solution

The fourth proportional to 2,751.32, 4,128.35 and 2,388.66 is: 3,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.32 : 4,128.35 = 2,388.66 : x
  2. Step 2: Convert to fraction form
    2,751.32/4,128.35 = 2,388.66/x
  3. Step 3: Cross multiply
    2,751.32x = 4,128.35 × 2,388.66
  4. Step 4: Simplify right side
    2,751.32x = 9,861,212.57
  5. Step 5: Solve for x
    x = 9,861,212.57/2,751.32
  6. Step 6: Final answer
    x = 3,584.18

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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.