Home / 2,763.16-4,140.87-1,375.18

Finding the Fourth Proportional to 2,763.16, 4,140.87 and 1,375.18

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Solution

The fourth proportional to 2,763.16, 4,140.87 and 1,375.18 is: 2,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.16 : 4,140.87 = 1,375.18 : x
  2. Step 2: Convert to fraction form
    2,763.16/4,140.87 = 1,375.18/x
  3. Step 3: Cross multiply
    2,763.16x = 4,140.87 × 1,375.18
  4. Step 4: Simplify right side
    2,763.16x = 5,694,441.61
  5. Step 5: Solve for x
    x = 5,694,441.61/2,763.16
  6. Step 6: Final answer
    x = 2,060.84

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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.