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Finding the Fourth Proportional to 1,998.03, 2,995.32 and 886.62

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Solution

The fourth proportional to 1,998.03, 2,995.32 and 886.62 is: 1,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.03 : 2,995.32 = 886.62 : x
  2. Step 2: Convert to fraction form
    1,998.03/2,995.32 = 886.62/x
  3. Step 3: Cross multiply
    1,998.03x = 2,995.32 × 886.62
  4. Step 4: Simplify right side
    1,998.03x = 2,655,710.62
  5. Step 5: Solve for x
    x = 2,655,710.62/1,998.03
  6. Step 6: Final answer
    x = 1,329.16

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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.