Home / 2,285.07-3,428.94-1,452.09

Finding the Fourth Proportional to 2,285.07, 3,428.94 and 1,452.09

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Solution

The fourth proportional to 2,285.07, 3,428.94 and 1,452.09 is: 2,178.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.07 : 3,428.94 = 1,452.09 : x
  2. Step 2: Convert to fraction form
    2,285.07/3,428.94 = 1,452.09/x
  3. Step 3: Cross multiply
    2,285.07x = 3,428.94 × 1,452.09
  4. Step 4: Simplify right side
    2,285.07x = 4,979,129.48
  5. Step 5: Solve for x
    x = 4,979,129.48/2,285.07
  6. Step 6: Final answer
    x = 2,178.99

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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.