Home / 3,936.50-5,906.11-1,746.76

Finding the Fourth Proportional to 3,936.50, 5,906.11 and 1,746.76

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Solution

The fourth proportional to 3,936.50, 5,906.11 and 1,746.76 is: 2,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.50 : 5,906.11 = 1,746.76 : x
  2. Step 2: Convert to fraction form
    3,936.50/5,906.11 = 1,746.76/x
  3. Step 3: Cross multiply
    3,936.50x = 5,906.11 × 1,746.76
  4. Step 4: Simplify right side
    3,936.50x = 10,316,537.57
  5. Step 5: Solve for x
    x = 10,316,537.57/3,936.50
  6. Step 6: Final answer
    x = 2,620.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.