Home / 2,428.23-3,644.52-1,274.79

Finding the Fourth Proportional to 2,428.23, 3,644.52 and 1,274.79

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Solution

The fourth proportional to 2,428.23, 3,644.52 and 1,274.79 is: 1,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.23 : 3,644.52 = 1,274.79 : x
  2. Step 2: Convert to fraction form
    2,428.23/3,644.52 = 1,274.79/x
  3. Step 3: Cross multiply
    2,428.23x = 3,644.52 × 1,274.79
  4. Step 4: Simplify right side
    2,428.23x = 4,645,997.65
  5. Step 5: Solve for x
    x = 4,645,997.65/2,428.23
  6. Step 6: Final answer
    x = 1,913.33

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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.