Home / 3,726.73-5,590.91-1,386.37

Finding the Fourth Proportional to 3,726.73, 5,590.91 and 1,386.37

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Solution

The fourth proportional to 3,726.73, 5,590.91 and 1,386.37 is: 2,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.73 : 5,590.91 = 1,386.37 : x
  2. Step 2: Convert to fraction form
    3,726.73/5,590.91 = 1,386.37/x
  3. Step 3: Cross multiply
    3,726.73x = 5,590.91 × 1,386.37
  4. Step 4: Simplify right side
    3,726.73x = 7,751,069.90
  5. Step 5: Solve for x
    x = 7,751,069.90/3,726.73
  6. Step 6: Final answer
    x = 2,079.86

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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.