Home / 1,928.83-2,661.80-1,044.64

Finding the Fourth Proportional to 1,928.83, 2,661.80 and 1,044.64

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Solution

The fourth proportional to 1,928.83, 2,661.80 and 1,044.64 is: 1,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.83 : 2,661.80 = 1,044.64 : x
  2. Step 2: Convert to fraction form
    1,928.83/2,661.80 = 1,044.64/x
  3. Step 3: Cross multiply
    1,928.83x = 2,661.80 × 1,044.64
  4. Step 4: Simplify right side
    1,928.83x = 2,780,622.75
  5. Step 5: Solve for x
    x = 2,780,622.75/1,928.83
  6. Step 6: Final answer
    x = 1,441.61

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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.