Home / 3,696.92-5,100.16-2,124.68

Finding the Fourth Proportional to 3,696.92, 5,100.16 and 2,124.68

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Solution

The fourth proportional to 3,696.92, 5,100.16 and 2,124.68 is: 2,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.92 : 5,100.16 = 2,124.68 : x
  2. Step 2: Convert to fraction form
    3,696.92/5,100.16 = 2,124.68/x
  3. Step 3: Cross multiply
    3,696.92x = 5,100.16 × 2,124.68
  4. Step 4: Simplify right side
    3,696.92x = 10,836,177.14
  5. Step 5: Solve for x
    x = 10,836,177.14/3,696.92
  6. Step 6: Final answer
    x = 2,931.14

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1.5x scale

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.