Home / 3,512.50-5,241.14-3,393.60

Finding the Fourth Proportional to 3,512.50, 5,241.14 and 3,393.60

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Solution

The fourth proportional to 3,512.50, 5,241.14 and 3,393.60 is: 5,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.50 : 5,241.14 = 3,393.60 : x
  2. Step 2: Convert to fraction form
    3,512.50/5,241.14 = 3,393.60/x
  3. Step 3: Cross multiply
    3,512.50x = 5,241.14 × 3,393.60
  4. Step 4: Simplify right side
    3,512.50x = 17,786,308.81
  5. Step 5: Solve for x
    x = 17,786,308.81/3,512.50
  6. Step 6: Final answer
    x = 5,063.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.