Home / 3,512.50-5,270.47-2,195.91

Finding the Fourth Proportional to 3,512.50, 5,270.47 and 2,195.91

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Solution

The fourth proportional to 3,512.50, 5,270.47 and 2,195.91 is: 3,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.50 : 5,270.47 = 2,195.91 : x
  2. Step 2: Convert to fraction form
    3,512.50/5,270.47 = 2,195.91/x
  3. Step 3: Cross multiply
    3,512.50x = 5,270.47 × 2,195.91
  4. Step 4: Simplify right side
    3,512.50x = 11,573,472.29
  5. Step 5: Solve for x
    x = 11,573,472.29/3,512.50
  6. Step 6: Final answer
    x = 3,294.94

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1.5x scale

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.