Home / 2,202.13-3,303.19-663.13

Finding the Fourth Proportional to 2,202.13, 3,303.19 and 663.13

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Solution

The fourth proportional to 2,202.13, 3,303.19 and 663.13 is: 994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.13 : 3,303.19 = 663.13 : x
  2. Step 2: Convert to fraction form
    2,202.13/3,303.19 = 663.13/x
  3. Step 3: Cross multiply
    2,202.13x = 3,303.19 × 663.13
  4. Step 4: Simplify right side
    2,202.13x = 2,190,444.38
  5. Step 5: Solve for x
    x = 2,190,444.38/2,202.13
  6. Step 6: Final answer
    x = 994.69

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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.