Home / 3,869.44-5,802.66-1,403.66

Finding the Fourth Proportional to 3,869.44, 5,802.66 and 1,403.66

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Solution

The fourth proportional to 3,869.44, 5,802.66 and 1,403.66 is: 2,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.44 : 5,802.66 = 1,403.66 : x
  2. Step 2: Convert to fraction form
    3,869.44/5,802.66 = 1,403.66/x
  3. Step 3: Cross multiply
    3,869.44x = 5,802.66 × 1,403.66
  4. Step 4: Simplify right side
    3,869.44x = 8,144,976.24
  5. Step 5: Solve for x
    x = 8,144,976.24/3,869.44
  6. Step 6: Final answer
    x = 2,104.95

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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.