Home / 2,171.67-2,996.91-1,176.94

Finding the Fourth Proportional to 2,171.67, 2,996.91 and 1,176.94

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Solution

The fourth proportional to 2,171.67, 2,996.91 and 1,176.94 is: 1,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.67 : 2,996.91 = 1,176.94 : x
  2. Step 2: Convert to fraction form
    2,171.67/2,996.91 = 1,176.94/x
  3. Step 3: Cross multiply
    2,171.67x = 2,996.91 × 1,176.94
  4. Step 4: Simplify right side
    2,171.67x = 3,527,183.26
  5. Step 5: Solve for x
    x = 3,527,183.26/2,171.67
  6. Step 6: Final answer
    x = 1,624.18

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1.5x scale

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.