Home / 3,344.60-4,611.35-2,147.47

Finding the Fourth Proportional to 3,344.60, 4,611.35 and 2,147.47

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Solution

The fourth proportional to 3,344.60, 4,611.35 and 2,147.47 is: 2,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.60 : 4,611.35 = 2,147.47 : x
  2. Step 2: Convert to fraction form
    3,344.60/4,611.35 = 2,147.47/x
  3. Step 3: Cross multiply
    3,344.60x = 4,611.35 × 2,147.47
  4. Step 4: Simplify right side
    3,344.60x = 9,902,713.52
  5. Step 5: Solve for x
    x = 9,902,713.52/3,344.60
  6. Step 6: Final answer
    x = 2,960.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.