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Finding the Fourth Proportional to 2,270.91, 3,406.56 and 627.46

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Solution

The fourth proportional to 2,270.91, 3,406.56 and 627.46 is: 941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.91 : 3,406.56 = 627.46 : x
  2. Step 2: Convert to fraction form
    2,270.91/3,406.56 = 627.46/x
  3. Step 3: Cross multiply
    2,270.91x = 3,406.56 × 627.46
  4. Step 4: Simplify right side
    2,270.91x = 2,137,480.14
  5. Step 5: Solve for x
    x = 2,137,480.14/2,270.91
  6. Step 6: Final answer
    x = 941.24

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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.