Home / 2,203.77-3,299.17-1,930.40

Finding the Fourth Proportional to 2,203.77, 3,299.17 and 1,930.40

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Solution

The fourth proportional to 2,203.77, 3,299.17 and 1,930.40 is: 2,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.77 : 3,299.17 = 1,930.40 : x
  2. Step 2: Convert to fraction form
    2,203.77/3,299.17 = 1,930.40/x
  3. Step 3: Cross multiply
    2,203.77x = 3,299.17 × 1,930.40
  4. Step 4: Simplify right side
    2,203.77x = 6,368,696.45
  5. Step 5: Solve for x
    x = 6,368,696.45/2,203.77
  6. Step 6: Final answer
    x = 2,889.91

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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.