Home / 3,909.96-5,397.44-2,337.75

Finding the Fourth Proportional to 3,909.96, 5,397.44 and 2,337.75

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Solution

The fourth proportional to 3,909.96, 5,397.44 and 2,337.75 is: 3,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.96 : 5,397.44 = 2,337.75 : x
  2. Step 2: Convert to fraction form
    3,909.96/5,397.44 = 2,337.75/x
  3. Step 3: Cross multiply
    3,909.96x = 5,397.44 × 2,337.75
  4. Step 4: Simplify right side
    3,909.96x = 12,617,853.67
  5. Step 5: Solve for x
    x = 12,617,853.67/3,909.96
  6. Step 6: Final answer
    x = 3,227.11

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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.