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Finding the Fourth Proportional to 2,803.63, 3,868.95 and 1,544.62

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Solution

The fourth proportional to 2,803.63, 3,868.95 and 1,544.62 is: 2,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.63 : 3,868.95 = 1,544.62 : x
  2. Step 2: Convert to fraction form
    2,803.63/3,868.95 = 1,544.62/x
  3. Step 3: Cross multiply
    2,803.63x = 3,868.95 × 1,544.62
  4. Step 4: Simplify right side
    2,803.63x = 5,976,057.55
  5. Step 5: Solve for x
    x = 5,976,057.55/2,803.63
  6. Step 6: Final answer
    x = 2,131.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.