Home / 3,290.52-4,935.78-1,342.38

Finding the Fourth Proportional to 3,290.52, 4,935.78 and 1,342.38

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Solution

The fourth proportional to 3,290.52, 4,935.78 and 1,342.38 is: 2,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.52 : 4,935.78 = 1,342.38 : x
  2. Step 2: Convert to fraction form
    3,290.52/4,935.78 = 1,342.38/x
  3. Step 3: Cross multiply
    3,290.52x = 4,935.78 × 1,342.38
  4. Step 4: Simplify right side
    3,290.52x = 6,625,692.36
  5. Step 5: Solve for x
    x = 6,625,692.36/3,290.52
  6. Step 6: Final answer
    x = 2,013.57

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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.