Home / 3,403.97-5,103.17-1,211.45

Finding the Fourth Proportional to 3,403.97, 5,103.17 and 1,211.45

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Solution

The fourth proportional to 3,403.97, 5,103.17 and 1,211.45 is: 1,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.97 : 5,103.17 = 1,211.45 : x
  2. Step 2: Convert to fraction form
    3,403.97/5,103.17 = 1,211.45/x
  3. Step 3: Cross multiply
    3,403.97x = 5,103.17 × 1,211.45
  4. Step 4: Simplify right side
    3,403.97x = 6,182,229.24
  5. Step 5: Solve for x
    x = 6,182,229.24/3,403.97
  6. Step 6: Final answer
    x = 1,816.18

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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.