Home / 3,770.73-5,207.18-2,428.70

Finding the Fourth Proportional to 3,770.73, 5,207.18 and 2,428.70

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Solution

The fourth proportional to 3,770.73, 5,207.18 and 2,428.70 is: 3,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.73 : 5,207.18 = 2,428.70 : x
  2. Step 2: Convert to fraction form
    3,770.73/5,207.18 = 2,428.70/x
  3. Step 3: Cross multiply
    3,770.73x = 5,207.18 × 2,428.70
  4. Step 4: Simplify right side
    3,770.73x = 12,646,639.89
  5. Step 5: Solve for x
    x = 12,646,639.89/3,770.73
  6. Step 6: Final answer
    x = 3,353.90

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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.