Home / 1,825.20-2,519.46-1,384.16

Finding the Fourth Proportional to 1,825.20, 2,519.46 and 1,384.16

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Solution

The fourth proportional to 1,825.20, 2,519.46 and 1,384.16 is: 1,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.20 : 2,519.46 = 1,384.16 : x
  2. Step 2: Convert to fraction form
    1,825.20/2,519.46 = 1,384.16/x
  3. Step 3: Cross multiply
    1,825.20x = 2,519.46 × 1,384.16
  4. Step 4: Simplify right side
    1,825.20x = 3,487,323.16
  5. Step 5: Solve for x
    x = 3,487,323.16/1,825.20
  6. Step 6: Final answer
    x = 1,910.65

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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.