Home / 2,912.97-4,019.99-1,654.05

Finding the Fourth Proportional to 2,912.97, 4,019.99 and 1,654.05

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Solution

The fourth proportional to 2,912.97, 4,019.99 and 1,654.05 is: 2,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.97 : 4,019.99 = 1,654.05 : x
  2. Step 2: Convert to fraction form
    2,912.97/4,019.99 = 1,654.05/x
  3. Step 3: Cross multiply
    2,912.97x = 4,019.99 × 1,654.05
  4. Step 4: Simplify right side
    2,912.97x = 6,649,256.19
  5. Step 5: Solve for x
    x = 6,649,256.19/2,912.97
  6. Step 6: Final answer
    x = 2,282.64

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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.