Home / 2,119.67-3,176.36-2,001.19

Finding the Fourth Proportional to 2,119.67, 3,176.36 and 2,001.19

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Solution

The fourth proportional to 2,119.67, 3,176.36 and 2,001.19 is: 2,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.67 : 3,176.36 = 2,001.19 : x
  2. Step 2: Convert to fraction form
    2,119.67/3,176.36 = 2,001.19/x
  3. Step 3: Cross multiply
    2,119.67x = 3,176.36 × 2,001.19
  4. Step 4: Simplify right side
    2,119.67x = 6,356,499.87
  5. Step 5: Solve for x
    x = 6,356,499.87/2,119.67
  6. Step 6: Final answer
    x = 2,998.82

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1.5x scale

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.