Home / 3,221.55-4,822.56-2,913.54

Finding the Fourth Proportional to 3,221.55, 4,822.56 and 2,913.54

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Solution

The fourth proportional to 3,221.55, 4,822.56 and 2,913.54 is: 4,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.55 : 4,822.56 = 2,913.54 : x
  2. Step 2: Convert to fraction form
    3,221.55/4,822.56 = 2,913.54/x
  3. Step 3: Cross multiply
    3,221.55x = 4,822.56 × 2,913.54
  4. Step 4: Simplify right side
    3,221.55x = 14,050,721.46
  5. Step 5: Solve for x
    x = 14,050,721.46/3,221.55
  6. Step 6: Final answer
    x = 4,361.48

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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.