Home / 1,928.52-2,878.82-1,694.98

Finding the Fourth Proportional to 1,928.52, 2,878.82 and 1,694.98

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Solution

The fourth proportional to 1,928.52, 2,878.82 and 1,694.98 is: 2,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.52 : 2,878.82 = 1,694.98 : x
  2. Step 2: Convert to fraction form
    1,928.52/2,878.82 = 1,694.98/x
  3. Step 3: Cross multiply
    1,928.52x = 2,878.82 × 1,694.98
  4. Step 4: Simplify right side
    1,928.52x = 4,879,542.32
  5. Step 5: Solve for x
    x = 4,879,542.32/1,928.52
  6. Step 6: Final answer
    x = 2,530.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.