Home / 1,817.90-2,726.87-1,169.09

Finding the Fourth Proportional to 1,817.90, 2,726.87 and 1,169.09

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Solution

The fourth proportional to 1,817.90, 2,726.87 and 1,169.09 is: 1,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.90 : 2,726.87 = 1,169.09 : x
  2. Step 2: Convert to fraction form
    1,817.90/2,726.87 = 1,169.09/x
  3. Step 3: Cross multiply
    1,817.90x = 2,726.87 × 1,169.09
  4. Step 4: Simplify right side
    1,817.90x = 3,187,956.45
  5. Step 5: Solve for x
    x = 3,187,956.45/1,817.90
  6. Step 6: Final answer
    x = 1,753.65

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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.