Home / 1,868.97-2,579.40-1,083.06

Finding the Fourth Proportional to 1,868.97, 2,579.40 and 1,083.06

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Solution

The fourth proportional to 1,868.97, 2,579.40 and 1,083.06 is: 1,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.97 : 2,579.40 = 1,083.06 : x
  2. Step 2: Convert to fraction form
    1,868.97/2,579.40 = 1,083.06/x
  3. Step 3: Cross multiply
    1,868.97x = 2,579.40 × 1,083.06
  4. Step 4: Simplify right side
    1,868.97x = 2,793,644.96
  5. Step 5: Solve for x
    x = 2,793,644.96/1,868.97
  6. Step 6: Final answer
    x = 1,494.75

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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.