Home / 2,857.33-4,283.91-1,930.59

Finding the Fourth Proportional to 2,857.33, 4,283.91 and 1,930.59

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Solution

The fourth proportional to 2,857.33, 4,283.91 and 1,930.59 is: 2,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.33 : 4,283.91 = 1,930.59 : x
  2. Step 2: Convert to fraction form
    2,857.33/4,283.91 = 1,930.59/x
  3. Step 3: Cross multiply
    2,857.33x = 4,283.91 × 1,930.59
  4. Step 4: Simplify right side
    2,857.33x = 8,270,473.81
  5. Step 5: Solve for x
    x = 8,270,473.81/2,857.33
  6. Step 6: Final answer
    x = 2,894.48

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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.