Home / 2,266.36-3,125.82-1,639.24

Finding the Fourth Proportional to 2,266.36, 3,125.82 and 1,639.24

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Solution

The fourth proportional to 2,266.36, 3,125.82 and 1,639.24 is: 2,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.36 : 3,125.82 = 1,639.24 : x
  2. Step 2: Convert to fraction form
    2,266.36/3,125.82 = 1,639.24/x
  3. Step 3: Cross multiply
    2,266.36x = 3,125.82 × 1,639.24
  4. Step 4: Simplify right side
    2,266.36x = 5,123,969.18
  5. Step 5: Solve for x
    x = 5,123,969.18/2,266.36
  6. Step 6: Final answer
    x = 2,260.88

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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.