Home / 3,941.28-5,913.36-3,212.64

Finding the Fourth Proportional to 3,941.28, 5,913.36 and 3,212.64

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Solution

The fourth proportional to 3,941.28, 5,913.36 and 3,212.64 is: 4,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.28 : 5,913.36 = 3,212.64 : x
  2. Step 2: Convert to fraction form
    3,941.28/5,913.36 = 3,212.64/x
  3. Step 3: Cross multiply
    3,941.28x = 5,913.36 × 3,212.64
  4. Step 4: Simplify right side
    3,941.28x = 18,997,496.87
  5. Step 5: Solve for x
    x = 18,997,496.87/3,941.28
  6. Step 6: Final answer
    x = 4,820.13

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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.