Home / 2,928.52-4,043.82-2,091.79

Finding the Fourth Proportional to 2,928.52, 4,043.82 and 2,091.79

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Solution

The fourth proportional to 2,928.52, 4,043.82 and 2,091.79 is: 2,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.52 : 4,043.82 = 2,091.79 : x
  2. Step 2: Convert to fraction form
    2,928.52/4,043.82 = 2,091.79/x
  3. Step 3: Cross multiply
    2,928.52x = 4,043.82 × 2,091.79
  4. Step 4: Simplify right side
    2,928.52x = 8,458,822.24
  5. Step 5: Solve for x
    x = 8,458,822.24/2,928.52
  6. Step 6: Final answer
    x = 2,888.43

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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.