Home / 3,611.74-5,418.39-1,146.76

Finding the Fourth Proportional to 3,611.74, 5,418.39 and 1,146.76

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Solution

The fourth proportional to 3,611.74, 5,418.39 and 1,146.76 is: 1,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.74 : 5,418.39 = 1,146.76 : x
  2. Step 2: Convert to fraction form
    3,611.74/5,418.39 = 1,146.76/x
  3. Step 3: Cross multiply
    3,611.74x = 5,418.39 × 1,146.76
  4. Step 4: Simplify right side
    3,611.74x = 6,213,592.92
  5. Step 5: Solve for x
    x = 6,213,592.92/3,611.74
  6. Step 6: Final answer
    x = 1,720.39

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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.