Home / 3,809.15-5,715.42-2,422.12

Finding the Fourth Proportional to 3,809.15, 5,715.42 and 2,422.12

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Solution

The fourth proportional to 3,809.15, 5,715.42 and 2,422.12 is: 3,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.15 : 5,715.42 = 2,422.12 : x
  2. Step 2: Convert to fraction form
    3,809.15/5,715.42 = 2,422.12/x
  3. Step 3: Cross multiply
    3,809.15x = 5,715.42 × 2,422.12
  4. Step 4: Simplify right side
    3,809.15x = 13,843,404.51
  5. Step 5: Solve for x
    x = 13,843,404.51/3,809.15
  6. Step 6: Final answer
    x = 3,634.25

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1.5x scale

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.