Home / 1,975.82-2,726.50-1,091.66

Finding the Fourth Proportional to 1,975.82, 2,726.50 and 1,091.66

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Solution

The fourth proportional to 1,975.82, 2,726.50 and 1,091.66 is: 1,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.82 : 2,726.50 = 1,091.66 : x
  2. Step 2: Convert to fraction form
    1,975.82/2,726.50 = 1,091.66/x
  3. Step 3: Cross multiply
    1,975.82x = 2,726.50 × 1,091.66
  4. Step 4: Simplify right side
    1,975.82x = 2,976,404.17
  5. Step 5: Solve for x
    x = 2,976,404.17/1,975.82
  6. Step 6: Final answer
    x = 1,506.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.