Home / 3,161.27-4,717.86-2,810.96

Finding the Fourth Proportional to 3,161.27, 4,717.86 and 2,810.96

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Solution

The fourth proportional to 3,161.27, 4,717.86 and 2,810.96 is: 4,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.27 : 4,717.86 = 2,810.96 : x
  2. Step 2: Convert to fraction form
    3,161.27/4,717.86 = 2,810.96/x
  3. Step 3: Cross multiply
    3,161.27x = 4,717.86 × 2,810.96
  4. Step 4: Simplify right side
    3,161.27x = 13,261,715.75
  5. Step 5: Solve for x
    x = 13,261,715.75/3,161.27
  6. Step 6: Final answer
    x = 4,195.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.