Home / 2,836.42-3,912.99-1,656.97

Finding the Fourth Proportional to 2,836.42, 3,912.99 and 1,656.97

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Solution

The fourth proportional to 2,836.42, 3,912.99 and 1,656.97 is: 2,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.42 : 3,912.99 = 1,656.97 : x
  2. Step 2: Convert to fraction form
    2,836.42/3,912.99 = 1,656.97/x
  3. Step 3: Cross multiply
    2,836.42x = 3,912.99 × 1,656.97
  4. Step 4: Simplify right side
    2,836.42x = 6,483,707.04
  5. Step 5: Solve for x
    x = 6,483,707.04/2,836.42
  6. Step 6: Final answer
    x = 2,285.88

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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.