Home / 3,726.64-5,591.55-1,388.37

Finding the Fourth Proportional to 3,726.64, 5,591.55 and 1,388.37

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Solution

The fourth proportional to 3,726.64, 5,591.55 and 1,388.37 is: 2,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.64 : 5,591.55 = 1,388.37 : x
  2. Step 2: Convert to fraction form
    3,726.64/5,591.55 = 1,388.37/x
  3. Step 3: Cross multiply
    3,726.64x = 5,591.55 × 1,388.37
  4. Step 4: Simplify right side
    3,726.64x = 7,763,166.45
  5. Step 5: Solve for x
    x = 7,763,166.45/3,726.64
  6. Step 6: Final answer
    x = 2,083.15

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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.