Home / 3,781.32-5,663.40-2,023.20

Finding the Fourth Proportional to 3,781.32, 5,663.40 and 2,023.20

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Solution

The fourth proportional to 3,781.32, 5,663.40 and 2,023.20 is: 3,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.32 : 5,663.40 = 2,023.20 : x
  2. Step 2: Convert to fraction form
    3,781.32/5,663.40 = 2,023.20/x
  3. Step 3: Cross multiply
    3,781.32x = 5,663.40 × 2,023.20
  4. Step 4: Simplify right side
    3,781.32x = 11,458,190.88
  5. Step 5: Solve for x
    x = 11,458,190.88/3,781.32
  6. Step 6: Final answer
    x = 3,030.21

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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.