Home / 3,369.08-5,052.82-1,288.32

Finding the Fourth Proportional to 3,369.08, 5,052.82 and 1,288.32

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Solution

The fourth proportional to 3,369.08, 5,052.82 and 1,288.32 is: 1,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.08 : 5,052.82 = 1,288.32 : x
  2. Step 2: Convert to fraction form
    3,369.08/5,052.82 = 1,288.32/x
  3. Step 3: Cross multiply
    3,369.08x = 5,052.82 × 1,288.32
  4. Step 4: Simplify right side
    3,369.08x = 6,509,649.06
  5. Step 5: Solve for x
    x = 6,509,649.06/3,369.08
  6. Step 6: Final answer
    x = 1,932.17

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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.