Home / 2,270.47-3,406.31-1,427.15

Finding the Fourth Proportional to 2,270.47, 3,406.31 and 1,427.15

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Solution

The fourth proportional to 2,270.47, 3,406.31 and 1,427.15 is: 2,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.47 : 3,406.31 = 1,427.15 : x
  2. Step 2: Convert to fraction form
    2,270.47/3,406.31 = 1,427.15/x
  3. Step 3: Cross multiply
    2,270.47x = 3,406.31 × 1,427.15
  4. Step 4: Simplify right side
    2,270.47x = 4,861,306.60
  5. Step 5: Solve for x
    x = 4,861,306.60/2,270.47
  6. Step 6: Final answer
    x = 2,141.10

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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.