Home / 1,983.86-2,737.70-1,099.66

Finding the Fourth Proportional to 1,983.86, 2,737.70 and 1,099.66

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Solution

The fourth proportional to 1,983.86, 2,737.70 and 1,099.66 is: 1,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.86 : 2,737.70 = 1,099.66 : x
  2. Step 2: Convert to fraction form
    1,983.86/2,737.70 = 1,099.66/x
  3. Step 3: Cross multiply
    1,983.86x = 2,737.70 × 1,099.66
  4. Step 4: Simplify right side
    1,983.86x = 3,010,539.18
  5. Step 5: Solve for x
    x = 3,010,539.18/1,983.86
  6. Step 6: Final answer
    x = 1,517.52

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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.