Home / 3,551.12-5,327.52-1,086.14

Finding the Fourth Proportional to 3,551.12, 5,327.52 and 1,086.14

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Solution

The fourth proportional to 3,551.12, 5,327.52 and 1,086.14 is: 1,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.12 : 5,327.52 = 1,086.14 : x
  2. Step 2: Convert to fraction form
    3,551.12/5,327.52 = 1,086.14/x
  3. Step 3: Cross multiply
    3,551.12x = 5,327.52 × 1,086.14
  4. Step 4: Simplify right side
    3,551.12x = 5,786,427.14
  5. Step 5: Solve for x
    x = 5,786,427.14/3,551.12
  6. Step 6: Final answer
    x = 1,629.47

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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.