Home / 2,867.38-4,293.78-1,890.52

Finding the Fourth Proportional to 2,867.38, 4,293.78 and 1,890.52

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Solution

The fourth proportional to 2,867.38, 4,293.78 and 1,890.52 is: 2,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.38 : 4,293.78 = 1,890.52 : x
  2. Step 2: Convert to fraction form
    2,867.38/4,293.78 = 1,890.52/x
  3. Step 3: Cross multiply
    2,867.38x = 4,293.78 × 1,890.52
  4. Step 4: Simplify right side
    2,867.38x = 8,117,476.97
  5. Step 5: Solve for x
    x = 8,117,476.97/2,867.38
  6. Step 6: Final answer
    x = 2,830.97

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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.