Home / 3,057.06-4,220.84-2,260.56

Finding the Fourth Proportional to 3,057.06, 4,220.84 and 2,260.56

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Solution

The fourth proportional to 3,057.06, 4,220.84 and 2,260.56 is: 3,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.06 : 4,220.84 = 2,260.56 : x
  2. Step 2: Convert to fraction form
    3,057.06/4,220.84 = 2,260.56/x
  3. Step 3: Cross multiply
    3,057.06x = 4,220.84 × 2,260.56
  4. Step 4: Simplify right side
    3,057.06x = 9,541,462.07
  5. Step 5: Solve for x
    x = 9,541,462.07/3,057.06
  6. Step 6: Final answer
    x = 3,121.12

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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.