Home / 3,945.11-5,444.11-2,266.28

Finding the Fourth Proportional to 3,945.11, 5,444.11 and 2,266.28

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Solution

The fourth proportional to 3,945.11, 5,444.11 and 2,266.28 is: 3,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.11 : 5,444.11 = 2,266.28 : x
  2. Step 2: Convert to fraction form
    3,945.11/5,444.11 = 2,266.28/x
  3. Step 3: Cross multiply
    3,945.11x = 5,444.11 × 2,266.28
  4. Step 4: Simplify right side
    3,945.11x = 12,337,873.64
  5. Step 5: Solve for x
    x = 12,337,873.64/3,945.11
  6. Step 6: Final answer
    x = 3,127.39

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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.