Home / 2,648.39-3,961.53-2,451.56

Finding the Fourth Proportional to 2,648.39, 3,961.53 and 2,451.56

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Solution

The fourth proportional to 2,648.39, 3,961.53 and 2,451.56 is: 3,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.39 : 3,961.53 = 2,451.56 : x
  2. Step 2: Convert to fraction form
    2,648.39/3,961.53 = 2,451.56/x
  3. Step 3: Cross multiply
    2,648.39x = 3,961.53 × 2,451.56
  4. Step 4: Simplify right side
    2,648.39x = 9,711,908.68
  5. Step 5: Solve for x
    x = 9,711,908.68/2,648.39
  6. Step 6: Final answer
    x = 3,667.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.