Home / 3,749.36-5,175.48-3,049.52

Finding the Fourth Proportional to 3,749.36, 5,175.48 and 3,049.52

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Solution

The fourth proportional to 3,749.36, 5,175.48 and 3,049.52 is: 4,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.36 : 5,175.48 = 3,049.52 : x
  2. Step 2: Convert to fraction form
    3,749.36/5,175.48 = 3,049.52/x
  3. Step 3: Cross multiply
    3,749.36x = 5,175.48 × 3,049.52
  4. Step 4: Simplify right side
    3,749.36x = 15,782,729.77
  5. Step 5: Solve for x
    x = 15,782,729.77/3,749.36
  6. Step 6: Final answer
    x = 4,209.45

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1.5x scale

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.