Home / 3,808.12-5,250.54-2,759.80

Finding the Fourth Proportional to 3,808.12, 5,250.54 and 2,759.80

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Solution

The fourth proportional to 3,808.12, 5,250.54 and 2,759.80 is: 3,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.12 : 5,250.54 = 2,759.80 : x
  2. Step 2: Convert to fraction form
    3,808.12/5,250.54 = 2,759.80/x
  3. Step 3: Cross multiply
    3,808.12x = 5,250.54 × 2,759.80
  4. Step 4: Simplify right side
    3,808.12x = 14,490,440.29
  5. Step 5: Solve for x
    x = 14,490,440.29/3,808.12
  6. Step 6: Final answer
    x = 3,805.14

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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.