Home / 3,933.11-5,427.53-2,253.35

Finding the Fourth Proportional to 3,933.11, 5,427.53 and 2,253.35

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Solution

The fourth proportional to 3,933.11, 5,427.53 and 2,253.35 is: 3,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.11 : 5,427.53 = 2,253.35 : x
  2. Step 2: Convert to fraction form
    3,933.11/5,427.53 = 2,253.35/x
  3. Step 3: Cross multiply
    3,933.11x = 5,427.53 × 2,253.35
  4. Step 4: Simplify right side
    3,933.11x = 12,230,125.30
  5. Step 5: Solve for x
    x = 12,230,125.30/3,933.11
  6. Step 6: Final answer
    x = 3,109.53

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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.