Home / 3,119.80-4,306.04-2,057.75

Finding the Fourth Proportional to 3,119.80, 4,306.04 and 2,057.75

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Solution

The fourth proportional to 3,119.80, 4,306.04 and 2,057.75 is: 2,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.80 : 4,306.04 = 2,057.75 : x
  2. Step 2: Convert to fraction form
    3,119.80/4,306.04 = 2,057.75/x
  3. Step 3: Cross multiply
    3,119.80x = 4,306.04 × 2,057.75
  4. Step 4: Simplify right side
    3,119.80x = 8,860,781.65
  5. Step 5: Solve for x
    x = 8,860,781.65/3,119.80
  6. Step 6: Final answer
    x = 2,840.18

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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.