Home / 1,840.59-2,757.38-1,222.43

Finding the Fourth Proportional to 1,840.59, 2,757.38 and 1,222.43

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Solution

The fourth proportional to 1,840.59, 2,757.38 and 1,222.43 is: 1,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.59 : 2,757.38 = 1,222.43 : x
  2. Step 2: Convert to fraction form
    1,840.59/2,757.38 = 1,222.43/x
  3. Step 3: Cross multiply
    1,840.59x = 2,757.38 × 1,222.43
  4. Step 4: Simplify right side
    1,840.59x = 3,370,684.13
  5. Step 5: Solve for x
    x = 3,370,684.13/1,840.59
  6. Step 6: Final answer
    x = 1,831.31

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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.