Home / 2,816.40-4,229.48-1,727.16

Finding the Fourth Proportional to 2,816.40, 4,229.48 and 1,727.16

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Solution

The fourth proportional to 2,816.40, 4,229.48 and 1,727.16 is: 2,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.40 : 4,229.48 = 1,727.16 : x
  2. Step 2: Convert to fraction form
    2,816.40/4,229.48 = 1,727.16/x
  3. Step 3: Cross multiply
    2,816.40x = 4,229.48 × 1,727.16
  4. Step 4: Simplify right side
    2,816.40x = 7,304,977.13
  5. Step 5: Solve for x
    x = 7,304,977.13/2,816.40
  6. Step 6: Final answer
    x = 2,593.73

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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.