Home / 3,696.40-5,100.99-2,017.75

Finding the Fourth Proportional to 3,696.40, 5,100.99 and 2,017.75

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Solution

The fourth proportional to 3,696.40, 5,100.99 and 2,017.75 is: 2,784.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.40 : 5,100.99 = 2,017.75 : x
  2. Step 2: Convert to fraction form
    3,696.40/5,100.99 = 2,017.75/x
  3. Step 3: Cross multiply
    3,696.40x = 5,100.99 × 2,017.75
  4. Step 4: Simplify right side
    3,696.40x = 10,292,522.57
  5. Step 5: Solve for x
    x = 10,292,522.57/3,696.40
  6. Step 6: Final answer
    x = 2,784.47

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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.