Home / 3,806.80-5,251.44-2,482.72

Finding the Fourth Proportional to 3,806.80, 5,251.44 and 2,482.72

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Solution

The fourth proportional to 3,806.80, 5,251.44 and 2,482.72 is: 3,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.80 : 5,251.44 = 2,482.72 : x
  2. Step 2: Convert to fraction form
    3,806.80/5,251.44 = 2,482.72/x
  3. Step 3: Cross multiply
    3,806.80x = 5,251.44 × 2,482.72
  4. Step 4: Simplify right side
    3,806.80x = 13,037,855.12
  5. Step 5: Solve for x
    x = 13,037,855.12/3,806.80
  6. Step 6: Final answer
    x = 3,424.89

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1.5x scale

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.