Home / 2,326.40-3,487.44-939.44

Finding the Fourth Proportional to 2,326.40, 3,487.44 and 939.44

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Solution

The fourth proportional to 2,326.40, 3,487.44 and 939.44 is: 1,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.40 : 3,487.44 = 939.44 : x
  2. Step 2: Convert to fraction form
    2,326.40/3,487.44 = 939.44/x
  3. Step 3: Cross multiply
    2,326.40x = 3,487.44 × 939.44
  4. Step 4: Simplify right side
    2,326.40x = 3,276,240.63
  5. Step 5: Solve for x
    x = 3,276,240.63/2,326.40
  6. Step 6: Final answer
    x = 1,408.29

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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.