Home / 3,231.42-4,461.16-2,113.48

Finding the Fourth Proportional to 3,231.42, 4,461.16 and 2,113.48

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Solution

The fourth proportional to 3,231.42, 4,461.16 and 2,113.48 is: 2,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.42 : 4,461.16 = 2,113.48 : x
  2. Step 2: Convert to fraction form
    3,231.42/4,461.16 = 2,113.48/x
  3. Step 3: Cross multiply
    3,231.42x = 4,461.16 × 2,113.48
  4. Step 4: Simplify right side
    3,231.42x = 9,428,572.44
  5. Step 5: Solve for x
    x = 9,428,572.44/3,231.42
  6. Step 6: Final answer
    x = 2,917.78

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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.