Home / 3,400.89-5,101.35-1,092.39

Finding the Fourth Proportional to 3,400.89, 5,101.35 and 1,092.39

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Solution

The fourth proportional to 3,400.89, 5,101.35 and 1,092.39 is: 1,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.89 : 5,101.35 = 1,092.39 : x
  2. Step 2: Convert to fraction form
    3,400.89/5,101.35 = 1,092.39/x
  3. Step 3: Cross multiply
    3,400.89x = 5,101.35 × 1,092.39
  4. Step 4: Simplify right side
    3,400.89x = 5,572,663.73
  5. Step 5: Solve for x
    x = 5,572,663.73/3,400.89
  6. Step 6: Final answer
    x = 1,638.59

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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.