Home / 3,963.20-5,467.50-2,390.42

Finding the Fourth Proportional to 3,963.20, 5,467.50 and 2,390.42

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Solution

The fourth proportional to 3,963.20, 5,467.50 and 2,390.42 is: 3,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.20 : 5,467.50 = 2,390.42 : x
  2. Step 2: Convert to fraction form
    3,963.20/5,467.50 = 2,390.42/x
  3. Step 3: Cross multiply
    3,963.20x = 5,467.50 × 2,390.42
  4. Step 4: Simplify right side
    3,963.20x = 13,069,621.35
  5. Step 5: Solve for x
    x = 13,069,621.35/3,963.20
  6. Step 6: Final answer
    x = 3,297.74

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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.