Home / 3,216.51-4,821.19-1,369.17

Finding the Fourth Proportional to 3,216.51, 4,821.19 and 1,369.17

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Solution

The fourth proportional to 3,216.51, 4,821.19 and 1,369.17 is: 2,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.51 : 4,821.19 = 1,369.17 : x
  2. Step 2: Convert to fraction form
    3,216.51/4,821.19 = 1,369.17/x
  3. Step 3: Cross multiply
    3,216.51x = 4,821.19 × 1,369.17
  4. Step 4: Simplify right side
    3,216.51x = 6,601,025.29
  5. Step 5: Solve for x
    x = 6,601,025.29/3,216.51
  6. Step 6: Final answer
    x = 2,052.23

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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.