Home / 2,203.28-3,316.90-1,901.96

Finding the Fourth Proportional to 2,203.28, 3,316.90 and 1,901.96

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Solution

The fourth proportional to 2,203.28, 3,316.90 and 1,901.96 is: 2,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.28 : 3,316.90 = 1,901.96 : x
  2. Step 2: Convert to fraction form
    2,203.28/3,316.90 = 1,901.96/x
  3. Step 3: Cross multiply
    2,203.28x = 3,316.90 × 1,901.96
  4. Step 4: Simplify right side
    2,203.28x = 6,308,589.78
  5. Step 5: Solve for x
    x = 6,308,589.78/2,203.28
  6. Step 6: Final answer
    x = 2,863.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.