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Finding the Fourth Proportional to 3,868.89, 5,803.34 and 1,095.20

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Solution

The fourth proportional to 3,868.89, 5,803.34 and 1,095.20 is: 1,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.89 : 5,803.34 = 1,095.20 : x
  2. Step 2: Convert to fraction form
    3,868.89/5,803.34 = 1,095.20/x
  3. Step 3: Cross multiply
    3,868.89x = 5,803.34 × 1,095.20
  4. Step 4: Simplify right side
    3,868.89x = 6,355,783.48
  5. Step 5: Solve for x
    x = 6,355,783.48/3,868.89
  6. Step 6: Final answer
    x = 1,642.79

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Similar ratio
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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.