Home / 2,428.20-3,350.88-1,365.89

Finding the Fourth Proportional to 2,428.20, 3,350.88 and 1,365.89

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Solution

The fourth proportional to 2,428.20, 3,350.88 and 1,365.89 is: 1,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.20 : 3,350.88 = 1,365.89 : x
  2. Step 2: Convert to fraction form
    2,428.20/3,350.88 = 1,365.89/x
  3. Step 3: Cross multiply
    2,428.20x = 3,350.88 × 1,365.89
  4. Step 4: Simplify right side
    2,428.20x = 4,576,916.73
  5. Step 5: Solve for x
    x = 4,576,916.73/2,428.20
  6. Step 6: Final answer
    x = 1,884.90

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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.