Home / 1,642.82-2,266.44-1,083.58

Finding the Fourth Proportional to 1,642.82, 2,266.44 and 1,083.58

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Solution

The fourth proportional to 1,642.82, 2,266.44 and 1,083.58 is: 1,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.82 : 2,266.44 = 1,083.58 : x
  2. Step 2: Convert to fraction form
    1,642.82/2,266.44 = 1,083.58/x
  3. Step 3: Cross multiply
    1,642.82x = 2,266.44 × 1,083.58
  4. Step 4: Simplify right side
    1,642.82x = 2,455,869.06
  5. Step 5: Solve for x
    x = 2,455,869.06/1,642.82
  6. Step 6: Final answer
    x = 1,494.91

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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.