Home / 3,170.22-4,373.56-2,122.62

Finding the Fourth Proportional to 3,170.22, 4,373.56 and 2,122.62

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Solution

The fourth proportional to 3,170.22, 4,373.56 and 2,122.62 is: 2,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.22 : 4,373.56 = 2,122.62 : x
  2. Step 2: Convert to fraction form
    3,170.22/4,373.56 = 2,122.62/x
  3. Step 3: Cross multiply
    3,170.22x = 4,373.56 × 2,122.62
  4. Step 4: Simplify right side
    3,170.22x = 9,283,405.93
  5. Step 5: Solve for x
    x = 9,283,405.93/3,170.22
  6. Step 6: Final answer
    x = 2,928.32

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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.