Home / 2,908.38-4,339.82-2,558.46

Finding the Fourth Proportional to 2,908.38, 4,339.82 and 2,558.46

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Solution

The fourth proportional to 2,908.38, 4,339.82 and 2,558.46 is: 3,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.38 : 4,339.82 = 2,558.46 : x
  2. Step 2: Convert to fraction form
    2,908.38/4,339.82 = 2,558.46/x
  3. Step 3: Cross multiply
    2,908.38x = 4,339.82 × 2,558.46
  4. Step 4: Simplify right side
    2,908.38x = 11,103,243.08
  5. Step 5: Solve for x
    x = 11,103,243.08/2,908.38
  6. Step 6: Final answer
    x = 3,817.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.