Home / 3,868.73-5,802.80-1,236.13

Finding the Fourth Proportional to 3,868.73, 5,802.80 and 1,236.13

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Solution

The fourth proportional to 3,868.73, 5,802.80 and 1,236.13 is: 1,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.73 : 5,802.80 = 1,236.13 : x
  2. Step 2: Convert to fraction form
    3,868.73/5,802.80 = 1,236.13/x
  3. Step 3: Cross multiply
    3,868.73x = 5,802.80 × 1,236.13
  4. Step 4: Simplify right side
    3,868.73x = 7,173,015.16
  5. Step 5: Solve for x
    x = 7,173,015.16/3,868.73
  6. Step 6: Final answer
    x = 1,854.10

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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.