Home / 3,809.12-5,256.66-2,692.02

Finding the Fourth Proportional to 3,809.12, 5,256.66 and 2,692.02

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Solution

The fourth proportional to 3,809.12, 5,256.66 and 2,692.02 is: 3,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.12 : 5,256.66 = 2,692.02 : x
  2. Step 2: Convert to fraction form
    3,809.12/5,256.66 = 2,692.02/x
  3. Step 3: Cross multiply
    3,809.12x = 5,256.66 × 2,692.02
  4. Step 4: Simplify right side
    3,809.12x = 14,151,063.66
  5. Step 5: Solve for x
    x = 14,151,063.66/3,809.12
  6. Step 6: Final answer
    x = 3,715.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.