Home / 1,984.29-2,976.73-1,009.86

Finding the Fourth Proportional to 1,984.29, 2,976.73 and 1,009.86

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Solution

The fourth proportional to 1,984.29, 2,976.73 and 1,009.86 is: 1,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.29 : 2,976.73 = 1,009.86 : x
  2. Step 2: Convert to fraction form
    1,984.29/2,976.73 = 1,009.86/x
  3. Step 3: Cross multiply
    1,984.29x = 2,976.73 × 1,009.86
  4. Step 4: Simplify right side
    1,984.29x = 3,006,080.56
  5. Step 5: Solve for x
    x = 3,006,080.56/1,984.29
  6. Step 6: Final answer
    x = 1,514.94

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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.