Home / 3,738.20-5,606.84-1,398.29

Finding the Fourth Proportional to 3,738.20, 5,606.84 and 1,398.29

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Solution

The fourth proportional to 3,738.20, 5,606.84 and 1,398.29 is: 2,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.20 : 5,606.84 = 1,398.29 : x
  2. Step 2: Convert to fraction form
    3,738.20/5,606.84 = 1,398.29/x
  3. Step 3: Cross multiply
    3,738.20x = 5,606.84 × 1,398.29
  4. Step 4: Simplify right side
    3,738.20x = 7,839,953.28
  5. Step 5: Solve for x
    x = 7,839,953.28/3,738.20
  6. Step 6: Final answer
    x = 2,097.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.