Home / 2,839.64-4,231.96-2,692.02

Finding the Fourth Proportional to 2,839.64, 4,231.96 and 2,692.02

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Solution

The fourth proportional to 2,839.64, 4,231.96 and 2,692.02 is: 4,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.64 : 4,231.96 = 2,692.02 : x
  2. Step 2: Convert to fraction form
    2,839.64/4,231.96 = 2,692.02/x
  3. Step 3: Cross multiply
    2,839.64x = 4,231.96 × 2,692.02
  4. Step 4: Simplify right side
    2,839.64x = 11,392,507.50
  5. Step 5: Solve for x
    x = 11,392,507.50/2,839.64
  6. Step 6: Final answer
    x = 4,011.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.