Home / 2,932.80-4,399.36-2,168.32

Finding the Fourth Proportional to 2,932.80, 4,399.36 and 2,168.32

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Solution

The fourth proportional to 2,932.80, 4,399.36 and 2,168.32 is: 3,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.80 : 4,399.36 = 2,168.32 : x
  2. Step 2: Convert to fraction form
    2,932.80/4,399.36 = 2,168.32/x
  3. Step 3: Cross multiply
    2,932.80x = 4,399.36 × 2,168.32
  4. Step 4: Simplify right side
    2,932.80x = 9,539,220.28
  5. Step 5: Solve for x
    x = 9,539,220.28/2,932.80
  6. Step 6: Final answer
    x = 3,252.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.