Home / 1,843.68-2,760.32-1,409.52

Finding the Fourth Proportional to 1,843.68, 2,760.32 and 1,409.52

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Solution

The fourth proportional to 1,843.68, 2,760.32 and 1,409.52 is: 2,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.68 : 2,760.32 = 1,409.52 : x
  2. Step 2: Convert to fraction form
    1,843.68/2,760.32 = 1,409.52/x
  3. Step 3: Cross multiply
    1,843.68x = 2,760.32 × 1,409.52
  4. Step 4: Simplify right side
    1,843.68x = 3,890,726.25
  5. Step 5: Solve for x
    x = 3,890,726.25/1,843.68
  6. Step 6: Final answer
    x = 2,110.30

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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.