Home / 3,726.26-5,587.86-1,386.41

Finding the Fourth Proportional to 3,726.26, 5,587.86 and 1,386.41

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Solution

The fourth proportional to 3,726.26, 5,587.86 and 1,386.41 is: 2,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.26 : 5,587.86 = 1,386.41 : x
  2. Step 2: Convert to fraction form
    3,726.26/5,587.86 = 1,386.41/x
  3. Step 3: Cross multiply
    3,726.26x = 5,587.86 × 1,386.41
  4. Step 4: Simplify right side
    3,726.26x = 7,747,064.98
  5. Step 5: Solve for x
    x = 7,747,064.98/3,726.26
  6. Step 6: Final answer
    x = 2,079.05

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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.