Home / 3,749.40-5,627.30-1,672.60

Finding the Fourth Proportional to 3,749.40, 5,627.30 and 1,672.60

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Solution

The fourth proportional to 3,749.40, 5,627.30 and 1,672.60 is: 2,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.40 : 5,627.30 = 1,672.60 : x
  2. Step 2: Convert to fraction form
    3,749.40/5,627.30 = 1,672.60/x
  3. Step 3: Cross multiply
    3,749.40x = 5,627.30 × 1,672.60
  4. Step 4: Simplify right side
    3,749.40x = 9,412,221.98
  5. Step 5: Solve for x
    x = 9,412,221.98/3,749.40
  6. Step 6: Final answer
    x = 2,510.33

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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.