Home / 3,288.40-4,539.86-2,168.92

Finding the Fourth Proportional to 3,288.40, 4,539.86 and 2,168.92

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Solution

The fourth proportional to 3,288.40, 4,539.86 and 2,168.92 is: 2,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.40 : 4,539.86 = 2,168.92 : x
  2. Step 2: Convert to fraction form
    3,288.40/4,539.86 = 2,168.92/x
  3. Step 3: Cross multiply
    3,288.40x = 4,539.86 × 2,168.92
  4. Step 4: Simplify right side
    3,288.40x = 9,846,593.15
  5. Step 5: Solve for x
    x = 9,846,593.15/3,288.40
  6. Step 6: Final answer
    x = 2,994.34

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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.