Home / 3,456.90-5,186.43-1,481.49

Finding the Fourth Proportional to 3,456.90, 5,186.43 and 1,481.49

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Solution

The fourth proportional to 3,456.90, 5,186.43 and 1,481.49 is: 2,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.90 : 5,186.43 = 1,481.49 : x
  2. Step 2: Convert to fraction form
    3,456.90/5,186.43 = 1,481.49/x
  3. Step 3: Cross multiply
    3,456.90x = 5,186.43 × 1,481.49
  4. Step 4: Simplify right side
    3,456.90x = 7,683,644.18
  5. Step 5: Solve for x
    x = 7,683,644.18/3,456.90
  6. Step 6: Final answer
    x = 2,222.70

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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.