Home / 4,251.60-6,381.45-2,611.35

Finding the Fourth Proportional to 4,251.60, 6,381.45 and 2,611.35

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Solution

The fourth proportional to 4,251.60, 6,381.45 and 2,611.35 is: 3,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.60 : 6,381.45 = 2,611.35 : x
  2. Step 2: Convert to fraction form
    4,251.60/6,381.45 = 2,611.35/x
  3. Step 3: Cross multiply
    4,251.60x = 6,381.45 × 2,611.35
  4. Step 4: Simplify right side
    4,251.60x = 16,664,199.46
  5. Step 5: Solve for x
    x = 16,664,199.46/4,251.60
  6. Step 6: Final answer
    x = 3,919.51

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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.