Home / 1,727.69-2,590.53-1,180.53

Finding the Fourth Proportional to 1,727.69, 2,590.53 and 1,180.53

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Solution

The fourth proportional to 1,727.69, 2,590.53 and 1,180.53 is: 1,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.69 : 2,590.53 = 1,180.53 : x
  2. Step 2: Convert to fraction form
    1,727.69/2,590.53 = 1,180.53/x
  3. Step 3: Cross multiply
    1,727.69x = 2,590.53 × 1,180.53
  4. Step 4: Simplify right side
    1,727.69x = 3,058,198.38
  5. Step 5: Solve for x
    x = 3,058,198.38/1,727.69
  6. Step 6: Final answer
    x = 1,770.11

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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.