Home / 1,968.86-2,717.03-1,084.66

Finding the Fourth Proportional to 1,968.86, 2,717.03 and 1,084.66

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Solution

The fourth proportional to 1,968.86, 2,717.03 and 1,084.66 is: 1,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.86 : 2,717.03 = 1,084.66 : x
  2. Step 2: Convert to fraction form
    1,968.86/2,717.03 = 1,084.66/x
  3. Step 3: Cross multiply
    1,968.86x = 2,717.03 × 1,084.66
  4. Step 4: Simplify right side
    1,968.86x = 2,947,053.76
  5. Step 5: Solve for x
    x = 2,947,053.76/1,968.86
  6. Step 6: Final answer
    x = 1,496.83

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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.