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Finding the Fourth Proportional to 2,636.93, 3,957.83 and 1,813.16

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Solution

The fourth proportional to 2,636.93, 3,957.83 and 1,813.16 is: 2,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.93 : 3,957.83 = 1,813.16 : x
  2. Step 2: Convert to fraction form
    2,636.93/3,957.83 = 1,813.16/x
  3. Step 3: Cross multiply
    2,636.93x = 3,957.83 × 1,813.16
  4. Step 4: Simplify right side
    2,636.93x = 7,176,150.19
  5. Step 5: Solve for x
    x = 7,176,150.19/2,636.93
  6. Step 6: Final answer
    x = 2,721.41

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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.