Home / 3,214.74-4,821.78-2,281.66

Finding the Fourth Proportional to 3,214.74, 4,821.78 and 2,281.66

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Solution

The fourth proportional to 3,214.74, 4,821.78 and 2,281.66 is: 3,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.74 : 4,821.78 = 2,281.66 : x
  2. Step 2: Convert to fraction form
    3,214.74/4,821.78 = 2,281.66/x
  3. Step 3: Cross multiply
    3,214.74x = 4,821.78 × 2,281.66
  4. Step 4: Simplify right side
    3,214.74x = 11,001,662.55
  5. Step 5: Solve for x
    x = 11,001,662.55/3,214.74
  6. Step 6: Final answer
    x = 3,422.26

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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.