Home / 3,803.18-5,705.06-1,338.55

Finding the Fourth Proportional to 3,803.18, 5,705.06 and 1,338.55

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Solution

The fourth proportional to 3,803.18, 5,705.06 and 1,338.55 is: 2,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.18 : 5,705.06 = 1,338.55 : x
  2. Step 2: Convert to fraction form
    3,803.18/5,705.06 = 1,338.55/x
  3. Step 3: Cross multiply
    3,803.18x = 5,705.06 × 1,338.55
  4. Step 4: Simplify right side
    3,803.18x = 7,636,497.15
  5. Step 5: Solve for x
    x = 7,636,497.15/3,803.18
  6. Step 6: Final answer
    x = 2,007.93

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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.