Home / 2,209.28-3,325.96-1,907.96

Finding the Fourth Proportional to 2,209.28, 3,325.96 and 1,907.96

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Solution

The fourth proportional to 2,209.28, 3,325.96 and 1,907.96 is: 2,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.28 : 3,325.96 = 1,907.96 : x
  2. Step 2: Convert to fraction form
    2,209.28/3,325.96 = 1,907.96/x
  3. Step 3: Cross multiply
    2,209.28x = 3,325.96 × 1,907.96
  4. Step 4: Simplify right side
    2,209.28x = 6,345,784.40
  5. Step 5: Solve for x
    x = 6,345,784.40/2,209.28
  6. Step 6: Final answer
    x = 2,872.34

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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.