Home / 3,059.72-4,220.53-2,667.68

Finding the Fourth Proportional to 3,059.72, 4,220.53 and 2,667.68

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Solution

The fourth proportional to 3,059.72, 4,220.53 and 2,667.68 is: 3,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.72 : 4,220.53 = 2,667.68 : x
  2. Step 2: Convert to fraction form
    3,059.72/4,220.53 = 2,667.68/x
  3. Step 3: Cross multiply
    3,059.72x = 4,220.53 × 2,667.68
  4. Step 4: Simplify right side
    3,059.72x = 11,258,995.70
  5. Step 5: Solve for x
    x = 11,258,995.70/3,059.72
  6. Step 6: Final answer
    x = 3,679.75

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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.