Home / 1,896.15-2,844.61-800.51

Finding the Fourth Proportional to 1,896.15, 2,844.61 and 800.51

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Solution

The fourth proportional to 1,896.15, 2,844.61 and 800.51 is: 1,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.15 : 2,844.61 = 800.51 : x
  2. Step 2: Convert to fraction form
    1,896.15/2,844.61 = 800.51/x
  3. Step 3: Cross multiply
    1,896.15x = 2,844.61 × 800.51
  4. Step 4: Simplify right side
    1,896.15x = 2,277,143.86
  5. Step 5: Solve for x
    x = 2,277,143.86/1,896.15
  6. Step 6: Final answer
    x = 1,200.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.