Home / 3,290.48-4,936.68-1,342.32

Finding the Fourth Proportional to 3,290.48, 4,936.68 and 1,342.32

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Solution

The fourth proportional to 3,290.48, 4,936.68 and 1,342.32 is: 2,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.48 : 4,936.68 = 1,342.32 : x
  2. Step 2: Convert to fraction form
    3,290.48/4,936.68 = 1,342.32/x
  3. Step 3: Cross multiply
    3,290.48x = 4,936.68 × 1,342.32
  4. Step 4: Simplify right side
    3,290.48x = 6,626,604.30
  5. Step 5: Solve for x
    x = 6,626,604.30/3,290.48
  6. Step 6: Final answer
    x = 2,013.87

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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.