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Finding the Fourth Proportional to 1,998.24, 2,992.11 and 1,606.16

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Solution

The fourth proportional to 1,998.24, 2,992.11 and 1,606.16 is: 2,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.24 : 2,992.11 = 1,606.16 : x
  2. Step 2: Convert to fraction form
    1,998.24/2,992.11 = 1,606.16/x
  3. Step 3: Cross multiply
    1,998.24x = 2,992.11 × 1,606.16
  4. Step 4: Simplify right side
    1,998.24x = 4,805,807.40
  5. Step 5: Solve for x
    x = 4,805,807.40/1,998.24
  6. Step 6: Final answer
    x = 2,405.02

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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.