Home / 3,228.78-4,845.60-2,132.76

Finding the Fourth Proportional to 3,228.78, 4,845.60 and 2,132.76

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Solution

The fourth proportional to 3,228.78, 4,845.60 and 2,132.76 is: 3,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.78 : 4,845.60 = 2,132.76 : x
  2. Step 2: Convert to fraction form
    3,228.78/4,845.60 = 2,132.76/x
  3. Step 3: Cross multiply
    3,228.78x = 4,845.60 × 2,132.76
  4. Step 4: Simplify right side
    3,228.78x = 10,334,501.86
  5. Step 5: Solve for x
    x = 10,334,501.86/3,228.78
  6. Step 6: Final answer
    x = 3,200.75

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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.