Home / 3,789.47-5,683.29-1,448.61

Finding the Fourth Proportional to 3,789.47, 5,683.29 and 1,448.61

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Solution

The fourth proportional to 3,789.47, 5,683.29 and 1,448.61 is: 2,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.47 : 5,683.29 = 1,448.61 : x
  2. Step 2: Convert to fraction form
    3,789.47/5,683.29 = 1,448.61/x
  3. Step 3: Cross multiply
    3,789.47x = 5,683.29 × 1,448.61
  4. Step 4: Simplify right side
    3,789.47x = 8,232,870.73
  5. Step 5: Solve for x
    x = 8,232,870.73/3,789.47
  6. Step 6: Final answer
    x = 2,172.57

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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.