Home / 3,639.38-5,460.95-1,692.98

Finding the Fourth Proportional to 3,639.38, 5,460.95 and 1,692.98

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Solution

The fourth proportional to 3,639.38, 5,460.95 and 1,692.98 is: 2,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.38 : 5,460.95 = 1,692.98 : x
  2. Step 2: Convert to fraction form
    3,639.38/5,460.95 = 1,692.98/x
  3. Step 3: Cross multiply
    3,639.38x = 5,460.95 × 1,692.98
  4. Step 4: Simplify right side
    3,639.38x = 9,245,279.13
  5. Step 5: Solve for x
    x = 9,245,279.13/3,639.38
  6. Step 6: Final answer
    x = 2,540.34

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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.