Home / 2,222.51-3,333.76-579.05

Finding the Fourth Proportional to 2,222.51, 3,333.76 and 579.05

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Solution

The fourth proportional to 2,222.51, 3,333.76 and 579.05 is: 868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.51 : 3,333.76 = 579.05 : x
  2. Step 2: Convert to fraction form
    2,222.51/3,333.76 = 579.05/x
  3. Step 3: Cross multiply
    2,222.51x = 3,333.76 × 579.05
  4. Step 4: Simplify right side
    2,222.51x = 1,930,413.73
  5. Step 5: Solve for x
    x = 1,930,413.73/2,222.51
  6. Step 6: Final answer
    x = 868.58

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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.