Home / 2,770.56-4,150.36-2,220.16

Finding the Fourth Proportional to 2,770.56, 4,150.36 and 2,220.16

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Solution

The fourth proportional to 2,770.56, 4,150.36 and 2,220.16 is: 3,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.56 : 4,150.36 = 2,220.16 : x
  2. Step 2: Convert to fraction form
    2,770.56/4,150.36 = 2,220.16/x
  3. Step 3: Cross multiply
    2,770.56x = 4,150.36 × 2,220.16
  4. Step 4: Simplify right side
    2,770.56x = 9,214,463.26
  5. Step 5: Solve for x
    x = 9,214,463.26/2,770.56
  6. Step 6: Final answer
    x = 3,325.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.