Home / 3,552.32-5,322.72-2,688.32

Finding the Fourth Proportional to 3,552.32, 5,322.72 and 2,688.32

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Solution

The fourth proportional to 3,552.32, 5,322.72 and 2,688.32 is: 4,028.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.32 : 5,322.72 = 2,688.32 : x
  2. Step 2: Convert to fraction form
    3,552.32/5,322.72 = 2,688.32/x
  3. Step 3: Cross multiply
    3,552.32x = 5,322.72 × 2,688.32
  4. Step 4: Simplify right side
    3,552.32x = 14,309,174.63
  5. Step 5: Solve for x
    x = 14,309,174.63/3,552.32
  6. Step 6: Final answer
    x = 4,028.12

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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.