Home / 4,261.32-5,880.19-3,142.86

Finding the Fourth Proportional to 4,261.32, 5,880.19 and 3,142.86

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Solution

The fourth proportional to 4,261.32, 5,880.19 and 3,142.86 is: 4,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.32 : 5,880.19 = 3,142.86 : x
  2. Step 2: Convert to fraction form
    4,261.32/5,880.19 = 3,142.86/x
  3. Step 3: Cross multiply
    4,261.32x = 5,880.19 × 3,142.86
  4. Step 4: Simplify right side
    4,261.32x = 18,480,613.94
  5. Step 5: Solve for x
    x = 18,480,613.94/4,261.32
  6. Step 6: Final answer
    x = 4,336.83

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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.