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Finding the Fourth Proportional to 3,201.11, 4,803.02 and 1,557.66

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Solution

The fourth proportional to 3,201.11, 4,803.02 and 1,557.66 is: 2,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.11 : 4,803.02 = 1,557.66 : x
  2. Step 2: Convert to fraction form
    3,201.11/4,803.02 = 1,557.66/x
  3. Step 3: Cross multiply
    3,201.11x = 4,803.02 × 1,557.66
  4. Step 4: Simplify right side
    3,201.11x = 7,481,464.34
  5. Step 5: Solve for x
    x = 7,481,464.34/3,201.11
  6. Step 6: Final answer
    x = 2,337.15

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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.