Home / 3,422.12-5,134.73-1,448.28

Finding the Fourth Proportional to 3,422.12, 5,134.73 and 1,448.28

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Solution

The fourth proportional to 3,422.12, 5,134.73 and 1,448.28 is: 2,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.12 : 5,134.73 = 1,448.28 : x
  2. Step 2: Convert to fraction form
    3,422.12/5,134.73 = 1,448.28/x
  3. Step 3: Cross multiply
    3,422.12x = 5,134.73 × 1,448.28
  4. Step 4: Simplify right side
    3,422.12x = 7,436,519.52
  5. Step 5: Solve for x
    x = 7,436,519.52/3,422.12
  6. Step 6: Final answer
    x = 2,173.08

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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.