Home / 3,057.52-4,221.12-2,012.62

Finding the Fourth Proportional to 3,057.52, 4,221.12 and 2,012.62

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Solution

The fourth proportional to 3,057.52, 4,221.12 and 2,012.62 is: 2,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.52 : 4,221.12 = 2,012.62 : x
  2. Step 2: Convert to fraction form
    3,057.52/4,221.12 = 2,012.62/x
  3. Step 3: Cross multiply
    3,057.52x = 4,221.12 × 2,012.62
  4. Step 4: Simplify right side
    3,057.52x = 8,495,507.53
  5. Step 5: Solve for x
    x = 8,495,507.53/3,057.52
  6. Step 6: Final answer
    x = 2,778.56

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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.