Home / 2,285.66-3,428.43-1,545.61

Finding the Fourth Proportional to 2,285.66, 3,428.43 and 1,545.61

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Solution

The fourth proportional to 2,285.66, 3,428.43 and 1,545.61 is: 2,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.66 : 3,428.43 = 1,545.61 : x
  2. Step 2: Convert to fraction form
    2,285.66/3,428.43 = 1,545.61/x
  3. Step 3: Cross multiply
    2,285.66x = 3,428.43 × 1,545.61
  4. Step 4: Simplify right side
    2,285.66x = 5,299,015.69
  5. Step 5: Solve for x
    x = 5,299,015.69/2,285.66
  6. Step 6: Final answer
    x = 2,318.37

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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.