Home / 3,801.32-5,244.96-2,309.69

Finding the Fourth Proportional to 3,801.32, 5,244.96 and 2,309.69

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Solution

The fourth proportional to 3,801.32, 5,244.96 and 2,309.69 is: 3,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.32 : 5,244.96 = 2,309.69 : x
  2. Step 2: Convert to fraction form
    3,801.32/5,244.96 = 2,309.69/x
  3. Step 3: Cross multiply
    3,801.32x = 5,244.96 × 2,309.69
  4. Step 4: Simplify right side
    3,801.32x = 12,114,205.44
  5. Step 5: Solve for x
    x = 12,114,205.44/3,801.32
  6. Step 6: Final answer
    x = 3,186.85

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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.