Home / 3,552.92-4,909.78-2,667.20

Finding the Fourth Proportional to 3,552.92, 4,909.78 and 2,667.20

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Solution

The fourth proportional to 3,552.92, 4,909.78 and 2,667.20 is: 3,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.92 : 4,909.78 = 2,667.20 : x
  2. Step 2: Convert to fraction form
    3,552.92/4,909.78 = 2,667.20/x
  3. Step 3: Cross multiply
    3,552.92x = 4,909.78 × 2,667.20
  4. Step 4: Simplify right side
    3,552.92x = 13,095,365.22
  5. Step 5: Solve for x
    x = 13,095,365.22/3,552.92
  6. Step 6: Final answer
    x = 3,685.80

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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.