Home / 3,203.75-4,423.19-2,456.32

Finding the Fourth Proportional to 3,203.75, 4,423.19 and 2,456.32

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Solution

The fourth proportional to 3,203.75, 4,423.19 and 2,456.32 is: 3,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.75 : 4,423.19 = 2,456.32 : x
  2. Step 2: Convert to fraction form
    3,203.75/4,423.19 = 2,456.32/x
  3. Step 3: Cross multiply
    3,203.75x = 4,423.19 × 2,456.32
  4. Step 4: Simplify right side
    3,203.75x = 10,864,770.06
  5. Step 5: Solve for x
    x = 10,864,770.06/3,203.75
  6. Step 6: Final answer
    x = 3,391.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.