Home / 3,309.66-4,568.76-2,191.14

Finding the Fourth Proportional to 3,309.66, 4,568.76 and 2,191.14

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Solution

The fourth proportional to 3,309.66, 4,568.76 and 2,191.14 is: 3,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.66 : 4,568.76 = 2,191.14 : x
  2. Step 2: Convert to fraction form
    3,309.66/4,568.76 = 2,191.14/x
  3. Step 3: Cross multiply
    3,309.66x = 4,568.76 × 2,191.14
  4. Step 4: Simplify right side
    3,309.66x = 10,010,792.79
  5. Step 5: Solve for x
    x = 10,010,792.79/3,309.66
  6. Step 6: Final answer
    x = 3,024.72

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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.