Home / 3,933.14-5,427.84-2,140.74

Finding the Fourth Proportional to 3,933.14, 5,427.84 and 2,140.74

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Solution

The fourth proportional to 3,933.14, 5,427.84 and 2,140.74 is: 2,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.14 : 5,427.84 = 2,140.74 : x
  2. Step 2: Convert to fraction form
    3,933.14/5,427.84 = 2,140.74/x
  3. Step 3: Cross multiply
    3,933.14x = 5,427.84 × 2,140.74
  4. Step 4: Simplify right side
    3,933.14x = 11,619,572.60
  5. Step 5: Solve for x
    x = 11,619,572.60/3,933.14
  6. Step 6: Final answer
    x = 2,954.27

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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.