Home / 1,983.28-2,976.77-1,010.11

Finding the Fourth Proportional to 1,983.28, 2,976.77 and 1,010.11

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Solution

The fourth proportional to 1,983.28, 2,976.77 and 1,010.11 is: 1,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.28 : 2,976.77 = 1,010.11 : x
  2. Step 2: Convert to fraction form
    1,983.28/2,976.77 = 1,010.11/x
  3. Step 3: Cross multiply
    1,983.28x = 2,976.77 × 1,010.11
  4. Step 4: Simplify right side
    1,983.28x = 3,006,865.14
  5. Step 5: Solve for x
    x = 3,006,865.14/1,983.28
  6. Step 6: Final answer
    x = 1,516.11

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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.