Home / 2,369.31-3,551.73-1,273.78

Finding the Fourth Proportional to 2,369.31, 3,551.73 and 1,273.78

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Solution

The fourth proportional to 2,369.31, 3,551.73 and 1,273.78 is: 1,909.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.31 : 3,551.73 = 1,273.78 : x
  2. Step 2: Convert to fraction form
    2,369.31/3,551.73 = 1,273.78/x
  3. Step 3: Cross multiply
    2,369.31x = 3,551.73 × 1,273.78
  4. Step 4: Simplify right side
    2,369.31x = 4,524,122.64
  5. Step 5: Solve for x
    x = 4,524,122.64/2,369.31
  6. Step 6: Final answer
    x = 1,909.47

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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.