Home / 3,642.72-5,025.18-2,383.26

Finding the Fourth Proportional to 3,642.72, 5,025.18 and 2,383.26

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Solution

The fourth proportional to 3,642.72, 5,025.18 and 2,383.26 is: 3,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.72 : 5,025.18 = 2,383.26 : x
  2. Step 2: Convert to fraction form
    3,642.72/5,025.18 = 2,383.26/x
  3. Step 3: Cross multiply
    3,642.72x = 5,025.18 × 2,383.26
  4. Step 4: Simplify right side
    3,642.72x = 11,976,310.49
  5. Step 5: Solve for x
    x = 11,976,310.49/3,642.72
  6. Step 6: Final answer
    x = 3,287.74

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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.