Home / 2,726.80-4,087.09-1,166.01

Finding the Fourth Proportional to 2,726.80, 4,087.09 and 1,166.01

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Solution

The fourth proportional to 2,726.80, 4,087.09 and 1,166.01 is: 1,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.80 : 4,087.09 = 1,166.01 : x
  2. Step 2: Convert to fraction form
    2,726.80/4,087.09 = 1,166.01/x
  3. Step 3: Cross multiply
    2,726.80x = 4,087.09 × 1,166.01
  4. Step 4: Simplify right side
    2,726.80x = 4,765,587.81
  5. Step 5: Solve for x
    x = 4,765,587.81/2,726.80
  6. Step 6: Final answer
    x = 1,747.69

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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.