Home / 3,933.10-5,426.90-2,255.04

Finding the Fourth Proportional to 3,933.10, 5,426.90 and 2,255.04

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Solution

The fourth proportional to 3,933.10, 5,426.90 and 2,255.04 is: 3,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.10 : 5,426.90 = 2,255.04 : x
  2. Step 2: Convert to fraction form
    3,933.10/5,426.90 = 2,255.04/x
  3. Step 3: Cross multiply
    3,933.10x = 5,426.90 × 2,255.04
  4. Step 4: Simplify right side
    3,933.10x = 12,237,876.58
  5. Step 5: Solve for x
    x = 12,237,876.58/3,933.10
  6. Step 6: Final answer
    x = 3,111.51

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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.