Home / 3,288.16-4,534.72-2,168.32

Finding the Fourth Proportional to 3,288.16, 4,534.72 and 2,168.32

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Solution

The fourth proportional to 3,288.16, 4,534.72 and 2,168.32 is: 2,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.16 : 4,534.72 = 2,168.32 : x
  2. Step 2: Convert to fraction form
    3,288.16/4,534.72 = 2,168.32/x
  3. Step 3: Cross multiply
    3,288.16x = 4,534.72 × 2,168.32
  4. Step 4: Simplify right side
    3,288.16x = 9,832,724.07
  5. Step 5: Solve for x
    x = 9,832,724.07/3,288.16
  6. Step 6: Final answer
    x = 2,990.34

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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.