Home / 3,639.16-5,419.58-3,516.14

Finding the Fourth Proportional to 3,639.16, 5,419.58 and 3,516.14

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Solution

The fourth proportional to 3,639.16, 5,419.58 and 3,516.14 is: 5,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.16 : 5,419.58 = 3,516.14 : x
  2. Step 2: Convert to fraction form
    3,639.16/5,419.58 = 3,516.14/x
  3. Step 3: Cross multiply
    3,639.16x = 5,419.58 × 3,516.14
  4. Step 4: Simplify right side
    3,639.16x = 19,055,997.99
  5. Step 5: Solve for x
    x = 19,055,997.99/3,639.16
  6. Step 6: Final answer
    x = 5,236.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.