Home / 1,896.28-2,844.92-1,689.46

Finding the Fourth Proportional to 1,896.28, 2,844.92 and 1,689.46

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Solution

The fourth proportional to 1,896.28, 2,844.92 and 1,689.46 is: 2,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.28 : 2,844.92 = 1,689.46 : x
  2. Step 2: Convert to fraction form
    1,896.28/2,844.92 = 1,689.46/x
  3. Step 3: Cross multiply
    1,896.28x = 2,844.92 × 1,689.46
  4. Step 4: Simplify right side
    1,896.28x = 4,806,370.10
  5. Step 5: Solve for x
    x = 4,806,370.10/1,896.28
  6. Step 6: Final answer
    x = 2,534.64

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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.