Home / 1,825.20-2,738.82-1,434.30

Finding the Fourth Proportional to 1,825.20, 2,738.82 and 1,434.30

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Solution

The fourth proportional to 1,825.20, 2,738.82 and 1,434.30 is: 2,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.20 : 2,738.82 = 1,434.30 : x
  2. Step 2: Convert to fraction form
    1,825.20/2,738.82 = 1,434.30/x
  3. Step 3: Cross multiply
    1,825.20x = 2,738.82 × 1,434.30
  4. Step 4: Simplify right side
    1,825.20x = 3,928,289.53
  5. Step 5: Solve for x
    x = 3,928,289.53/1,825.20
  6. Step 6: Final answer
    x = 2,152.25

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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.