Home / 2,908.94-4,013.19-2,154.56

Finding the Fourth Proportional to 2,908.94, 4,013.19 and 2,154.56

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Solution

The fourth proportional to 2,908.94, 4,013.19 and 2,154.56 is: 2,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.94 : 4,013.19 = 2,154.56 : x
  2. Step 2: Convert to fraction form
    2,908.94/4,013.19 = 2,154.56/x
  3. Step 3: Cross multiply
    2,908.94x = 4,013.19 × 2,154.56
  4. Step 4: Simplify right side
    2,908.94x = 8,646,638.58
  5. Step 5: Solve for x
    x = 8,646,638.58/2,908.94
  6. Step 6: Final answer
    x = 2,972.44

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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.