Home / 3,670.86-5,063.48-2,177.72

Finding the Fourth Proportional to 3,670.86, 5,063.48 and 2,177.72

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Solution

The fourth proportional to 3,670.86, 5,063.48 and 2,177.72 is: 3,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.86 : 5,063.48 = 2,177.72 : x
  2. Step 2: Convert to fraction form
    3,670.86/5,063.48 = 2,177.72/x
  3. Step 3: Cross multiply
    3,670.86x = 5,063.48 × 2,177.72
  4. Step 4: Simplify right side
    3,670.86x = 11,026,837.21
  5. Step 5: Solve for x
    x = 11,026,837.21/3,670.86
  6. Step 6: Final answer
    x = 3,003.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.