Home / 2,049.11-2,825.54-1,384.81

Finding the Fourth Proportional to 2,049.11, 2,825.54 and 1,384.81

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Solution

The fourth proportional to 2,049.11, 2,825.54 and 1,384.81 is: 1,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.11 : 2,825.54 = 1,384.81 : x
  2. Step 2: Convert to fraction form
    2,049.11/2,825.54 = 1,384.81/x
  3. Step 3: Cross multiply
    2,049.11x = 2,825.54 × 1,384.81
  4. Step 4: Simplify right side
    2,049.11x = 3,912,836.05
  5. Step 5: Solve for x
    x = 3,912,836.05/2,049.11
  6. Step 6: Final answer
    x = 1,909.53

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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.