Home / 4,222.20-5,826.56-2,333.78

Finding the Fourth Proportional to 4,222.20, 5,826.56 and 2,333.78

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Solution

The fourth proportional to 4,222.20, 5,826.56 and 2,333.78 is: 3,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.20 : 5,826.56 = 2,333.78 : x
  2. Step 2: Convert to fraction form
    4,222.20/5,826.56 = 2,333.78/x
  3. Step 3: Cross multiply
    4,222.20x = 5,826.56 × 2,333.78
  4. Step 4: Simplify right side
    4,222.20x = 13,597,868.40
  5. Step 5: Solve for x
    x = 13,597,868.40/4,222.20
  6. Step 6: Final answer
    x = 3,220.56

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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.