Home / 3,869.44-5,339.72-2,297.52

Finding the Fourth Proportional to 3,869.44, 5,339.72 and 2,297.52

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Solution

The fourth proportional to 3,869.44, 5,339.72 and 2,297.52 is: 3,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.44 : 5,339.72 = 2,297.52 : x
  2. Step 2: Convert to fraction form
    3,869.44/5,339.72 = 2,297.52/x
  3. Step 3: Cross multiply
    3,869.44x = 5,339.72 × 2,297.52
  4. Step 4: Simplify right side
    3,869.44x = 12,268,113.49
  5. Step 5: Solve for x
    x = 12,268,113.49/3,869.44
  6. Step 6: Final answer
    x = 3,170.51

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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.