Home / 3,696.13-5,100.66-2,124.53

Finding the Fourth Proportional to 3,696.13, 5,100.66 and 2,124.53

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Solution

The fourth proportional to 3,696.13, 5,100.66 and 2,124.53 is: 2,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.13 : 5,100.66 = 2,124.53 : x
  2. Step 2: Convert to fraction form
    3,696.13/5,100.66 = 2,124.53/x
  3. Step 3: Cross multiply
    3,696.13x = 5,100.66 × 2,124.53
  4. Step 4: Simplify right side
    3,696.13x = 10,836,469.06
  5. Step 5: Solve for x
    x = 10,836,469.06/3,696.13
  6. Step 6: Final answer
    x = 2,931.85

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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.