Home / 2,844.45-3,922.79-2,426.31

Finding the Fourth Proportional to 2,844.45, 3,922.79 and 2,426.31

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Solution

The fourth proportional to 2,844.45, 3,922.79 and 2,426.31 is: 3,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.45 : 3,922.79 = 2,426.31 : x
  2. Step 2: Convert to fraction form
    2,844.45/3,922.79 = 2,426.31/x
  3. Step 3: Cross multiply
    2,844.45x = 3,922.79 × 2,426.31
  4. Step 4: Simplify right side
    2,844.45x = 9,517,892.47
  5. Step 5: Solve for x
    x = 9,517,892.47/2,844.45
  6. Step 6: Final answer
    x = 3,346.13

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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.