Home / 3,255.52-4,487.90-2,322.40

Finding the Fourth Proportional to 3,255.52, 4,487.90 and 2,322.40

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Solution

The fourth proportional to 3,255.52, 4,487.90 and 2,322.40 is: 3,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.52 : 4,487.90 = 2,322.40 : x
  2. Step 2: Convert to fraction form
    3,255.52/4,487.90 = 2,322.40/x
  3. Step 3: Cross multiply
    3,255.52x = 4,487.90 × 2,322.40
  4. Step 4: Simplify right side
    3,255.52x = 10,422,698.96
  5. Step 5: Solve for x
    x = 10,422,698.96/3,255.52
  6. Step 6: Final answer
    x = 3,201.55

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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.