Home / 3,411.57-5,115.78-2,006.66

Finding the Fourth Proportional to 3,411.57, 5,115.78 and 2,006.66

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Solution

The fourth proportional to 3,411.57, 5,115.78 and 2,006.66 is: 3,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.57 : 5,115.78 = 2,006.66 : x
  2. Step 2: Convert to fraction form
    3,411.57/5,115.78 = 2,006.66/x
  3. Step 3: Cross multiply
    3,411.57x = 5,115.78 × 2,006.66
  4. Step 4: Simplify right side
    3,411.57x = 10,265,605.52
  5. Step 5: Solve for x
    x = 10,265,605.52/3,411.57
  6. Step 6: Final answer
    x = 3,009.06

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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.