Home / 3,770.64-5,202.66-2,278.53

Finding the Fourth Proportional to 3,770.64, 5,202.66 and 2,278.53

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Solution

The fourth proportional to 3,770.64, 5,202.66 and 2,278.53 is: 3,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.64 : 5,202.66 = 2,278.53 : x
  2. Step 2: Convert to fraction form
    3,770.64/5,202.66 = 2,278.53/x
  3. Step 3: Cross multiply
    3,770.64x = 5,202.66 × 2,278.53
  4. Step 4: Simplify right side
    3,770.64x = 11,854,416.89
  5. Step 5: Solve for x
    x = 11,854,416.89/3,770.64
  6. Step 6: Final answer
    x = 3,143.87

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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.