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Finding the Fourth Proportional to 2,998.93, 4,138.34 and 1,654.56

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Solution

The fourth proportional to 2,998.93, 4,138.34 and 1,654.56 is: 2,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.93 : 4,138.34 = 1,654.56 : x
  2. Step 2: Convert to fraction form
    2,998.93/4,138.34 = 1,654.56/x
  3. Step 3: Cross multiply
    2,998.93x = 4,138.34 × 1,654.56
  4. Step 4: Simplify right side
    2,998.93x = 6,847,127.04
  5. Step 5: Solve for x
    x = 6,847,127.04/2,998.93
  6. Step 6: Final answer
    x = 2,283.19

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1.5x scale

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.