Home / 3,925.62-5,416.29-2,331.86

Finding the Fourth Proportional to 3,925.62, 5,416.29 and 2,331.86

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Solution

The fourth proportional to 3,925.62, 5,416.29 and 2,331.86 is: 3,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.62 : 5,416.29 = 2,331.86 : x
  2. Step 2: Convert to fraction form
    3,925.62/5,416.29 = 2,331.86/x
  3. Step 3: Cross multiply
    3,925.62x = 5,416.29 × 2,331.86
  4. Step 4: Simplify right side
    3,925.62x = 12,630,002.92
  5. Step 5: Solve for x
    x = 12,630,002.92/3,925.62
  6. Step 6: Final answer
    x = 3,217.33

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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.