Home / 1,910.28-2,639.10-1,633.38

Finding the Fourth Proportional to 1,910.28, 2,639.10 and 1,633.38

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Solution

The fourth proportional to 1,910.28, 2,639.10 and 1,633.38 is: 2,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.28 : 2,639.10 = 1,633.38 : x
  2. Step 2: Convert to fraction form
    1,910.28/2,639.10 = 1,633.38/x
  3. Step 3: Cross multiply
    1,910.28x = 2,639.10 × 1,633.38
  4. Step 4: Simplify right side
    1,910.28x = 4,310,653.16
  5. Step 5: Solve for x
    x = 4,310,653.16/1,910.28
  6. Step 6: Final answer
    x = 2,256.56

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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.