Home / 3,748.75-5,617.66-2,108.50

Finding the Fourth Proportional to 3,748.75, 5,617.66 and 2,108.50

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Solution

The fourth proportional to 3,748.75, 5,617.66 and 2,108.50 is: 3,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.75 : 5,617.66 = 2,108.50 : x
  2. Step 2: Convert to fraction form
    3,748.75/5,617.66 = 2,108.50/x
  3. Step 3: Cross multiply
    3,748.75x = 5,617.66 × 2,108.50
  4. Step 4: Simplify right side
    3,748.75x = 11,844,837.86
  5. Step 5: Solve for x
    x = 11,844,837.86/3,748.75
  6. Step 6: Final answer
    x = 3,159.68

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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.