Home / 1,968.13-2,716.02-1,083.94

Finding the Fourth Proportional to 1,968.13, 2,716.02 and 1,083.94

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Solution

The fourth proportional to 1,968.13, 2,716.02 and 1,083.94 is: 1,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.13 : 2,716.02 = 1,083.94 : x
  2. Step 2: Convert to fraction form
    1,968.13/2,716.02 = 1,083.94/x
  3. Step 3: Cross multiply
    1,968.13x = 2,716.02 × 1,083.94
  4. Step 4: Simplify right side
    1,968.13x = 2,943,989.14
  5. Step 5: Solve for x
    x = 2,943,989.14/1,968.13
  6. Step 6: Final answer
    x = 1,495.83

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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.