Home / 2,217.15-3,325.62-573.72

Finding the Fourth Proportional to 2,217.15, 3,325.62 and 573.72

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Solution

The fourth proportional to 2,217.15, 3,325.62 and 573.72 is: 860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.15 : 3,325.62 = 573.72 : x
  2. Step 2: Convert to fraction form
    2,217.15/3,325.62 = 573.72/x
  3. Step 3: Cross multiply
    2,217.15x = 3,325.62 × 573.72
  4. Step 4: Simplify right side
    2,217.15x = 1,907,974.71
  5. Step 5: Solve for x
    x = 1,907,974.71/2,217.15
  6. Step 6: Final answer
    x = 860.55

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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.