Home / 2,436.16-3,361.91-1,317.11

Finding the Fourth Proportional to 2,436.16, 3,361.91 and 1,317.11

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Solution

The fourth proportional to 2,436.16, 3,361.91 and 1,317.11 is: 1,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.16 : 3,361.91 = 1,317.11 : x
  2. Step 2: Convert to fraction form
    2,436.16/3,361.91 = 1,317.11/x
  3. Step 3: Cross multiply
    2,436.16x = 3,361.91 × 1,317.11
  4. Step 4: Simplify right side
    2,436.16x = 4,428,003.57
  5. Step 5: Solve for x
    x = 4,428,003.57/2,436.16
  6. Step 6: Final answer
    x = 1,817.61

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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.