Home / 2,908.58-4,013.43-2,199.38

Finding the Fourth Proportional to 2,908.58, 4,013.43 and 2,199.38

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Solution

The fourth proportional to 2,908.58, 4,013.43 and 2,199.38 is: 3,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.58 : 4,013.43 = 2,199.38 : x
  2. Step 2: Convert to fraction form
    2,908.58/4,013.43 = 2,199.38/x
  3. Step 3: Cross multiply
    2,908.58x = 4,013.43 × 2,199.38
  4. Step 4: Simplify right side
    2,908.58x = 8,827,057.67
  5. Step 5: Solve for x
    x = 8,827,057.67/2,908.58
  6. Step 6: Final answer
    x = 3,034.83

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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.