Home / 3,611.32-5,414.95-1,145.68

Finding the Fourth Proportional to 3,611.32, 5,414.95 and 1,145.68

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Solution

The fourth proportional to 3,611.32, 5,414.95 and 1,145.68 is: 1,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.32 : 5,414.95 = 1,145.68 : x
  2. Step 2: Convert to fraction form
    3,611.32/5,414.95 = 1,145.68/x
  3. Step 3: Cross multiply
    3,611.32x = 5,414.95 × 1,145.68
  4. Step 4: Simplify right side
    3,611.32x = 6,203,799.92
  5. Step 5: Solve for x
    x = 6,203,799.92/3,611.32
  6. Step 6: Final answer
    x = 1,717.88

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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.