Home / 2,270.53-3,402.79-2,122.57

Finding the Fourth Proportional to 2,270.53, 3,402.79 and 2,122.57

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Solution

The fourth proportional to 2,270.53, 3,402.79 and 2,122.57 is: 3,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.53 : 3,402.79 = 2,122.57 : x
  2. Step 2: Convert to fraction form
    2,270.53/3,402.79 = 2,122.57/x
  3. Step 3: Cross multiply
    2,270.53x = 3,402.79 × 2,122.57
  4. Step 4: Simplify right side
    2,270.53x = 7,222,670.86
  5. Step 5: Solve for x
    x = 7,222,670.86/2,270.53
  6. Step 6: Final answer
    x = 3,181.05

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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.