Home / 1,727.12-2,589.87-572.06

Finding the Fourth Proportional to 1,727.12, 2,589.87 and 572.06

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Solution

The fourth proportional to 1,727.12, 2,589.87 and 572.06 is: 857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.12 : 2,589.87 = 572.06 : x
  2. Step 2: Convert to fraction form
    1,727.12/2,589.87 = 572.06/x
  3. Step 3: Cross multiply
    1,727.12x = 2,589.87 × 572.06
  4. Step 4: Simplify right side
    1,727.12x = 1,481,569.65
  5. Step 5: Solve for x
    x = 1,481,569.65/1,727.12
  6. Step 6: Final answer
    x = 857.83

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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.