Home / 3,468.66-4,786.50-2,191.05

Finding the Fourth Proportional to 3,468.66, 4,786.50 and 2,191.05

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Solution

The fourth proportional to 3,468.66, 4,786.50 and 2,191.05 is: 3,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.66 : 4,786.50 = 2,191.05 : x
  2. Step 2: Convert to fraction form
    3,468.66/4,786.50 = 2,191.05/x
  3. Step 3: Cross multiply
    3,468.66x = 4,786.50 × 2,191.05
  4. Step 4: Simplify right side
    3,468.66x = 10,487,442.37
  5. Step 5: Solve for x
    x = 10,487,442.37/3,468.66
  6. Step 6: Final answer
    x = 3,023.49

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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.