Home / 3,016.30-4,520.40-2,149.60

Finding the Fourth Proportional to 3,016.30, 4,520.40 and 2,149.60

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Solution

The fourth proportional to 3,016.30, 4,520.40 and 2,149.60 is: 3,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.30 : 4,520.40 = 2,149.60 : x
  2. Step 2: Convert to fraction form
    3,016.30/4,520.40 = 2,149.60/x
  3. Step 3: Cross multiply
    3,016.30x = 4,520.40 × 2,149.60
  4. Step 4: Simplify right side
    3,016.30x = 9,717,051.84
  5. Step 5: Solve for x
    x = 9,717,051.84/3,016.30
  6. Step 6: Final answer
    x = 3,221.51

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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.