Home / 3,938.38-5,907.56-2,702.05

Finding the Fourth Proportional to 3,938.38, 5,907.56 and 2,702.05

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Solution

The fourth proportional to 3,938.38, 5,907.56 and 2,702.05 is: 4,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.38 : 5,907.56 = 2,702.05 : x
  2. Step 2: Convert to fraction form
    3,938.38/5,907.56 = 2,702.05/x
  3. Step 3: Cross multiply
    3,938.38x = 5,907.56 × 2,702.05
  4. Step 4: Simplify right side
    3,938.38x = 15,962,494.22
  5. Step 5: Solve for x
    x = 15,962,494.22/3,938.38
  6. Step 6: Final answer
    x = 4,053.06

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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.