Home / 2,176.68-3,001.89-1,756.90

Finding the Fourth Proportional to 2,176.68, 3,001.89 and 1,756.90

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Solution

The fourth proportional to 2,176.68, 3,001.89 and 1,756.90 is: 2,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.68 : 3,001.89 = 1,756.90 : x
  2. Step 2: Convert to fraction form
    2,176.68/3,001.89 = 1,756.90/x
  3. Step 3: Cross multiply
    2,176.68x = 3,001.89 × 1,756.90
  4. Step 4: Simplify right side
    2,176.68x = 5,274,020.54
  5. Step 5: Solve for x
    x = 5,274,020.54/2,176.68
  6. Step 6: Final answer
    x = 2,422.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.