Home / 1,270.08-1,907.52-1,202.88

Finding the Fourth Proportional to 1,270.08, 1,907.52 and 1,202.88

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Solution

The fourth proportional to 1,270.08, 1,907.52 and 1,202.88 is: 1,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270.08 : 1,907.52 = 1,202.88 : x
  2. Step 2: Convert to fraction form
    1,270.08/1,907.52 = 1,202.88/x
  3. Step 3: Cross multiply
    1,270.08x = 1,907.52 × 1,202.88
  4. Step 4: Simplify right side
    1,270.08x = 2,294,517.66
  5. Step 5: Solve for x
    x = 2,294,517.66/1,270.08
  6. Step 6: Final answer
    x = 1,806.59

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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.