Home / 1,983.28-2,976.78-1,010.08

Finding the Fourth Proportional to 1,983.28, 2,976.78 and 1,010.08

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Solution

The fourth proportional to 1,983.28, 2,976.78 and 1,010.08 is: 1,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.28 : 2,976.78 = 1,010.08 : x
  2. Step 2: Convert to fraction form
    1,983.28/2,976.78 = 1,010.08/x
  3. Step 3: Cross multiply
    1,983.28x = 2,976.78 × 1,010.08
  4. Step 4: Simplify right side
    1,983.28x = 3,006,785.94
  5. Step 5: Solve for x
    x = 3,006,785.94/1,983.28
  6. Step 6: Final answer
    x = 1,516.07

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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.