Home / 3,056.98-4,220.42-2,216.88

Finding the Fourth Proportional to 3,056.98, 4,220.42 and 2,216.88

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Solution

The fourth proportional to 3,056.98, 4,220.42 and 2,216.88 is: 3,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.98 : 4,220.42 = 2,216.88 : x
  2. Step 2: Convert to fraction form
    3,056.98/4,220.42 = 2,216.88/x
  3. Step 3: Cross multiply
    3,056.98x = 4,220.42 × 2,216.88
  4. Step 4: Simplify right side
    3,056.98x = 9,356,164.69
  5. Step 5: Solve for x
    x = 9,356,164.69/3,056.98
  6. Step 6: Final answer
    x = 3,060.59

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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.