Home / 3,869.76-5,336.24-2,297.56

Finding the Fourth Proportional to 3,869.76, 5,336.24 and 2,297.56

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Solution

The fourth proportional to 3,869.76, 5,336.24 and 2,297.56 is: 3,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.76 : 5,336.24 = 2,297.56 : x
  2. Step 2: Convert to fraction form
    3,869.76/5,336.24 = 2,297.56/x
  3. Step 3: Cross multiply
    3,869.76x = 5,336.24 × 2,297.56
  4. Step 4: Simplify right side
    3,869.76x = 12,260,331.57
  5. Step 5: Solve for x
    x = 12,260,331.57/3,869.76
  6. Step 6: Final answer
    x = 3,168.24

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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.