Home / 1,869.06-2,579.31-1,083.57

Finding the Fourth Proportional to 1,869.06, 2,579.31 and 1,083.57

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Solution

The fourth proportional to 1,869.06, 2,579.31 and 1,083.57 is: 1,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.06 : 2,579.31 = 1,083.57 : x
  2. Step 2: Convert to fraction form
    1,869.06/2,579.31 = 1,083.57/x
  3. Step 3: Cross multiply
    1,869.06x = 2,579.31 × 1,083.57
  4. Step 4: Simplify right side
    1,869.06x = 2,794,862.94
  5. Step 5: Solve for x
    x = 2,794,862.94/1,869.06
  6. Step 6: Final answer
    x = 1,495.33

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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.