Home / 3,941.36-5,434-3,230.56

Finding the Fourth Proportional to 3,941.36, 5,434 and 3,230.56

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Solution

The fourth proportional to 3,941.36, 5,434 and 3,230.56 is: 4,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.36 : 5,434 = 3,230.56 : x
  2. Step 2: Convert to fraction form
    3,941.36/5,434 = 3,230.56/x
  3. Step 3: Cross multiply
    3,941.36x = 5,434 × 3,230.56
  4. Step 4: Simplify right side
    3,941.36x = 17,554,863.04
  5. Step 5: Solve for x
    x = 17,554,863.04/3,941.36
  6. Step 6: Final answer
    x = 4,454.01

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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.