Home / 3,726.26-5,587.63-1,128.50

Finding the Fourth Proportional to 3,726.26, 5,587.63 and 1,128.50

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Solution

The fourth proportional to 3,726.26, 5,587.63 and 1,128.50 is: 1,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.26 : 5,587.63 = 1,128.50 : x
  2. Step 2: Convert to fraction form
    3,726.26/5,587.63 = 1,128.50/x
  3. Step 3: Cross multiply
    3,726.26x = 5,587.63 × 1,128.50
  4. Step 4: Simplify right side
    3,726.26x = 6,305,640.46
  5. Step 5: Solve for x
    x = 6,305,640.46/3,726.26
  6. Step 6: Final answer
    x = 1,692.22

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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.