Home / 2,223.09-3,334.73-663.30

Finding the Fourth Proportional to 2,223.09, 3,334.73 and 663.30

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Solution

The fourth proportional to 2,223.09, 3,334.73 and 663.30 is: 994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.09 : 3,334.73 = 663.30 : x
  2. Step 2: Convert to fraction form
    2,223.09/3,334.73 = 663.30/x
  3. Step 3: Cross multiply
    2,223.09x = 3,334.73 × 663.30
  4. Step 4: Simplify right side
    2,223.09x = 2,211,926.41
  5. Step 5: Solve for x
    x = 2,211,926.41/2,223.09
  6. Step 6: Final answer
    x = 994.98

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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.