Home / 2,202.39-3,303.80-621.11

Finding the Fourth Proportional to 2,202.39, 3,303.80 and 621.11

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Solution

The fourth proportional to 2,202.39, 3,303.80 and 621.11 is: 931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.39 : 3,303.80 = 621.11 : x
  2. Step 2: Convert to fraction form
    2,202.39/3,303.80 = 621.11/x
  3. Step 3: Cross multiply
    2,202.39x = 3,303.80 × 621.11
  4. Step 4: Simplify right side
    2,202.39x = 2,052,003.59
  5. Step 5: Solve for x
    x = 2,052,003.59/2,202.39
  6. Step 6: Final answer
    x = 931.72

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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.