Home / 3,696.49-5,101.28-2,124.55

Finding the Fourth Proportional to 3,696.49, 5,101.28 and 2,124.55

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Solution

The fourth proportional to 3,696.49, 5,101.28 and 2,124.55 is: 2,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.49 : 5,101.28 = 2,124.55 : x
  2. Step 2: Convert to fraction form
    3,696.49/5,101.28 = 2,124.55/x
  3. Step 3: Cross multiply
    3,696.49x = 5,101.28 × 2,124.55
  4. Step 4: Simplify right side
    3,696.49x = 10,837,924.42
  5. Step 5: Solve for x
    x = 10,837,924.42/3,696.49
  6. Step 6: Final answer
    x = 2,931.95

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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.