Home / 2,270.55-3,402.58-1,294.64

Finding the Fourth Proportional to 2,270.55, 3,402.58 and 1,294.64

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Solution

The fourth proportional to 2,270.55, 3,402.58 and 1,294.64 is: 1,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.55 : 3,402.58 = 1,294.64 : x
  2. Step 2: Convert to fraction form
    2,270.55/3,402.58 = 1,294.64/x
  3. Step 3: Cross multiply
    2,270.55x = 3,402.58 × 1,294.64
  4. Step 4: Simplify right side
    2,270.55x = 4,405,116.17
  5. Step 5: Solve for x
    x = 4,405,116.17/2,270.55
  6. Step 6: Final answer
    x = 1,940.11

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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.