Home / 1,727.04-2,589.60-1,179.88

Finding the Fourth Proportional to 1,727.04, 2,589.60 and 1,179.88

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Solution

The fourth proportional to 1,727.04, 2,589.60 and 1,179.88 is: 1,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.04 : 2,589.60 = 1,179.88 : x
  2. Step 2: Convert to fraction form
    1,727.04/2,589.60 = 1,179.88/x
  3. Step 3: Cross multiply
    1,727.04x = 2,589.60 × 1,179.88
  4. Step 4: Simplify right side
    1,727.04x = 3,055,417.25
  5. Step 5: Solve for x
    x = 3,055,417.25/1,727.04
  6. Step 6: Final answer
    x = 1,769.16

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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.