Home / 3,326.70-4,988.07-1,135.38

Finding the Fourth Proportional to 3,326.70, 4,988.07 and 1,135.38

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Solution

The fourth proportional to 3,326.70, 4,988.07 and 1,135.38 is: 1,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.70 : 4,988.07 = 1,135.38 : x
  2. Step 2: Convert to fraction form
    3,326.70/4,988.07 = 1,135.38/x
  3. Step 3: Cross multiply
    3,326.70x = 4,988.07 × 1,135.38
  4. Step 4: Simplify right side
    3,326.70x = 5,663,354.92
  5. Step 5: Solve for x
    x = 5,663,354.92/3,326.70
  6. Step 6: Final answer
    x = 1,702.39

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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.