Home / 3,640.14-5,023.49-2,107.35

Finding the Fourth Proportional to 3,640.14, 5,023.49 and 2,107.35

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Solution

The fourth proportional to 3,640.14, 5,023.49 and 2,107.35 is: 2,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.14 : 5,023.49 = 2,107.35 : x
  2. Step 2: Convert to fraction form
    3,640.14/5,023.49 = 2,107.35/x
  3. Step 3: Cross multiply
    3,640.14x = 5,023.49 × 2,107.35
  4. Step 4: Simplify right side
    3,640.14x = 10,586,241.11
  5. Step 5: Solve for x
    x = 10,586,241.11/3,640.14
  6. Step 6: Final answer
    x = 2,908.20

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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.