Home / 3,078.77-4,611.99-1,433.03

Finding the Fourth Proportional to 3,078.77, 4,611.99 and 1,433.03

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Solution

The fourth proportional to 3,078.77, 4,611.99 and 1,433.03 is: 2,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.77 : 4,611.99 = 1,433.03 : x
  2. Step 2: Convert to fraction form
    3,078.77/4,611.99 = 1,433.03/x
  3. Step 3: Cross multiply
    3,078.77x = 4,611.99 × 1,433.03
  4. Step 4: Simplify right side
    3,078.77x = 6,609,120.03
  5. Step 5: Solve for x
    x = 6,609,120.03/3,078.77
  6. Step 6: Final answer
    x = 2,146.68

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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.