Home / 2,239.94-3,356.84-1,142

Finding the Fourth Proportional to 2,239.94, 3,356.84 and 1,142

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Solution

The fourth proportional to 2,239.94, 3,356.84 and 1,142 is: 1,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.94 : 3,356.84 = 1,142 : x
  2. Step 2: Convert to fraction form
    2,239.94/3,356.84 = 1,142/x
  3. Step 3: Cross multiply
    2,239.94x = 3,356.84 × 1,142
  4. Step 4: Simplify right side
    2,239.94x = 3,833,511.28
  5. Step 5: Solve for x
    x = 3,833,511.28/2,239.94
  6. Step 6: Final answer
    x = 1,711.43

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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.