Home / 3,802.06-5,705.83-1,338.95

Finding the Fourth Proportional to 3,802.06, 5,705.83 and 1,338.95

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Solution

The fourth proportional to 3,802.06, 5,705.83 and 1,338.95 is: 2,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.06 : 5,705.83 = 1,338.95 : x
  2. Step 2: Convert to fraction form
    3,802.06/5,705.83 = 1,338.95/x
  3. Step 3: Cross multiply
    3,802.06x = 5,705.83 × 1,338.95
  4. Step 4: Simplify right side
    3,802.06x = 7,639,832.00
  5. Step 5: Solve for x
    x = 7,639,832.00/3,802.06
  6. Step 6: Final answer
    x = 2,009.39

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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.