Home / 3,945.86-5,444.97-2,267.18

Finding the Fourth Proportional to 3,945.86, 5,444.97 and 2,267.18

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Solution

The fourth proportional to 3,945.86, 5,444.97 and 2,267.18 is: 3,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.86 : 5,444.97 = 2,267.18 : x
  2. Step 2: Convert to fraction form
    3,945.86/5,444.97 = 2,267.18/x
  3. Step 3: Cross multiply
    3,945.86x = 5,444.97 × 2,267.18
  4. Step 4: Simplify right side
    3,945.86x = 12,344,727.08
  5. Step 5: Solve for x
    x = 12,344,727.08/3,945.86
  6. Step 6: Final answer
    x = 3,128.53

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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.