Home / 3,696.85-5,101.63-2,018.25

Finding the Fourth Proportional to 3,696.85, 5,101.63 and 2,018.25

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Solution

The fourth proportional to 3,696.85, 5,101.63 and 2,018.25 is: 2,785.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.85 : 5,101.63 = 2,018.25 : x
  2. Step 2: Convert to fraction form
    3,696.85/5,101.63 = 2,018.25/x
  3. Step 3: Cross multiply
    3,696.85x = 5,101.63 × 2,018.25
  4. Step 4: Simplify right side
    3,696.85x = 10,296,359.70
  5. Step 5: Solve for x
    x = 10,296,359.70/3,696.85
  6. Step 6: Final answer
    x = 2,785.17

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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.