Home / 3,677.28-5,074.29-2,105.07

Finding the Fourth Proportional to 3,677.28, 5,074.29 and 2,105.07

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Solution

The fourth proportional to 3,677.28, 5,074.29 and 2,105.07 is: 2,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.28 : 5,074.29 = 2,105.07 : x
  2. Step 2: Convert to fraction form
    3,677.28/5,074.29 = 2,105.07/x
  3. Step 3: Cross multiply
    3,677.28x = 5,074.29 × 2,105.07
  4. Step 4: Simplify right side
    3,677.28x = 10,681,735.65
  5. Step 5: Solve for x
    x = 10,681,735.65/3,677.28
  6. Step 6: Final answer
    x = 2,904.79

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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.