Home / 3,167.20-4,371.58-1,822.96

Finding the Fourth Proportional to 3,167.20, 4,371.58 and 1,822.96

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Solution

The fourth proportional to 3,167.20, 4,371.58 and 1,822.96 is: 2,516.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.20 : 4,371.58 = 1,822.96 : x
  2. Step 2: Convert to fraction form
    3,167.20/4,371.58 = 1,822.96/x
  3. Step 3: Cross multiply
    3,167.20x = 4,371.58 × 1,822.96
  4. Step 4: Simplify right side
    3,167.20x = 7,969,215.48
  5. Step 5: Solve for x
    x = 7,969,215.48/3,167.20
  6. Step 6: Final answer
    x = 2,516.17

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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.