Home / 3,236.15-4,855.14-1,288.51

Finding the Fourth Proportional to 3,236.15, 4,855.14 and 1,288.51

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Solution

The fourth proportional to 3,236.15, 4,855.14 and 1,288.51 is: 1,933.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.15 : 4,855.14 = 1,288.51 : x
  2. Step 2: Convert to fraction form
    3,236.15/4,855.14 = 1,288.51/x
  3. Step 3: Cross multiply
    3,236.15x = 4,855.14 × 1,288.51
  4. Step 4: Simplify right side
    3,236.15x = 6,255,884.30
  5. Step 5: Solve for x
    x = 6,255,884.30/3,236.15
  6. Step 6: Final answer
    x = 1,933.12

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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.