Home / 3,212.23-4,427.58-2,149.62

Finding the Fourth Proportional to 3,212.23, 4,427.58 and 2,149.62

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Solution

The fourth proportional to 3,212.23, 4,427.58 and 2,149.62 is: 2,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.23 : 4,427.58 = 2,149.62 : x
  2. Step 2: Convert to fraction form
    3,212.23/4,427.58 = 2,149.62/x
  3. Step 3: Cross multiply
    3,212.23x = 4,427.58 × 2,149.62
  4. Step 4: Simplify right side
    3,212.23x = 9,517,614.52
  5. Step 5: Solve for x
    x = 9,517,614.52/3,212.23
  6. Step 6: Final answer
    x = 2,962.93

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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.