Home / 3,845.20-5,305.08-2,352.28

Finding the Fourth Proportional to 3,845.20, 5,305.08 and 2,352.28

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Solution

The fourth proportional to 3,845.20, 5,305.08 and 2,352.28 is: 3,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.20 : 5,305.08 = 2,352.28 : x
  2. Step 2: Convert to fraction form
    3,845.20/5,305.08 = 2,352.28/x
  3. Step 3: Cross multiply
    3,845.20x = 5,305.08 × 2,352.28
  4. Step 4: Simplify right side
    3,845.20x = 12,479,033.58
  5. Step 5: Solve for x
    x = 12,479,033.58/3,845.20
  6. Step 6: Final answer
    x = 3,245.35

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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.