Home / 3,943.23-5,441.84-2,265.12

Finding the Fourth Proportional to 3,943.23, 5,441.84 and 2,265.12

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Solution

The fourth proportional to 3,943.23, 5,441.84 and 2,265.12 is: 3,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.23 : 5,441.84 = 2,265.12 : x
  2. Step 2: Convert to fraction form
    3,943.23/5,441.84 = 2,265.12/x
  3. Step 3: Cross multiply
    3,943.23x = 5,441.84 × 2,265.12
  4. Step 4: Simplify right side
    3,943.23x = 12,326,409.30
  5. Step 5: Solve for x
    x = 12,326,409.30/3,943.23
  6. Step 6: Final answer
    x = 3,125.97

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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.