Home / 3,167.12-4,371.84-2,834.96

Finding the Fourth Proportional to 3,167.12, 4,371.84 and 2,834.96

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Solution

The fourth proportional to 3,167.12, 4,371.84 and 2,834.96 is: 3,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.12 : 4,371.84 = 2,834.96 : x
  2. Step 2: Convert to fraction form
    3,167.12/4,371.84 = 2,834.96/x
  3. Step 3: Cross multiply
    3,167.12x = 4,371.84 × 2,834.96
  4. Step 4: Simplify right side
    3,167.12x = 12,393,969.67
  5. Step 5: Solve for x
    x = 12,393,969.67/3,167.12
  6. Step 6: Final answer
    x = 3,913.32

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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.