Home / 1,891.29-2,833.70-1,026.21

Finding the Fourth Proportional to 1,891.29, 2,833.70 and 1,026.21

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Solution

The fourth proportional to 1,891.29, 2,833.70 and 1,026.21 is: 1,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.29 : 2,833.70 = 1,026.21 : x
  2. Step 2: Convert to fraction form
    1,891.29/2,833.70 = 1,026.21/x
  3. Step 3: Cross multiply
    1,891.29x = 2,833.70 × 1,026.21
  4. Step 4: Simplify right side
    1,891.29x = 2,907,966.15
  5. Step 5: Solve for x
    x = 2,907,966.15/1,891.29
  6. Step 6: Final answer
    x = 1,537.56

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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.