Home / 3,748.74-5,610.96-2,101.20

Finding the Fourth Proportional to 3,748.74, 5,610.96 and 2,101.20

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Solution

The fourth proportional to 3,748.74, 5,610.96 and 2,101.20 is: 3,144.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.74 : 5,610.96 = 2,101.20 : x
  2. Step 2: Convert to fraction form
    3,748.74/5,610.96 = 2,101.20/x
  3. Step 3: Cross multiply
    3,748.74x = 5,610.96 × 2,101.20
  4. Step 4: Simplify right side
    3,748.74x = 11,789,749.15
  5. Step 5: Solve for x
    x = 11,789,749.15/3,748.74
  6. Step 6: Final answer
    x = 3,144.99

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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.