Home / 2,202.76-3,038.82-1,270.60

Finding the Fourth Proportional to 2,202.76, 3,038.82 and 1,270.60

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Solution

The fourth proportional to 2,202.76, 3,038.82 and 1,270.60 is: 1,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.76 : 3,038.82 = 1,270.60 : x
  2. Step 2: Convert to fraction form
    2,202.76/3,038.82 = 1,270.60/x
  3. Step 3: Cross multiply
    2,202.76x = 3,038.82 × 1,270.60
  4. Step 4: Simplify right side
    2,202.76x = 3,861,124.69
  5. Step 5: Solve for x
    x = 3,861,124.69/2,202.76
  6. Step 6: Final answer
    x = 1,752.86

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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.