Home / 1,636.71-2,452.32-1,292.28

Finding the Fourth Proportional to 1,636.71, 2,452.32 and 1,292.28

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Solution

The fourth proportional to 1,636.71, 2,452.32 and 1,292.28 is: 1,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.71 : 2,452.32 = 1,292.28 : x
  2. Step 2: Convert to fraction form
    1,636.71/2,452.32 = 1,292.28/x
  3. Step 3: Cross multiply
    1,636.71x = 2,452.32 × 1,292.28
  4. Step 4: Simplify right side
    1,636.71x = 3,169,084.09
  5. Step 5: Solve for x
    x = 3,169,084.09/1,636.71
  6. Step 6: Final answer
    x = 1,936.25

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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.