Home / 1,983.29-2,975.23-1,008.86

Finding the Fourth Proportional to 1,983.29, 2,975.23 and 1,008.86

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Solution

The fourth proportional to 1,983.29, 2,975.23 and 1,008.86 is: 1,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.29 : 2,975.23 = 1,008.86 : x
  2. Step 2: Convert to fraction form
    1,983.29/2,975.23 = 1,008.86/x
  3. Step 3: Cross multiply
    1,983.29x = 2,975.23 × 1,008.86
  4. Step 4: Simplify right side
    1,983.29x = 3,001,576.92
  5. Step 5: Solve for x
    x = 3,001,576.92/1,983.29
  6. Step 6: Final answer
    x = 1,513.44

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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.