Home / 4,261.25-5,880.12-3,142.79

Finding the Fourth Proportional to 4,261.25, 5,880.12 and 3,142.79

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Solution

The fourth proportional to 4,261.25, 5,880.12 and 3,142.79 is: 4,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.25 : 5,880.12 = 3,142.79 : x
  2. Step 2: Convert to fraction form
    4,261.25/5,880.12 = 3,142.79/x
  3. Step 3: Cross multiply
    4,261.25x = 5,880.12 × 3,142.79
  4. Step 4: Simplify right side
    4,261.25x = 18,479,952.93
  5. Step 5: Solve for x
    x = 18,479,952.93/4,261.25
  6. Step 6: Final answer
    x = 4,336.75

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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.