Home / 3,137.44-4,334.92-2,479.36

Finding the Fourth Proportional to 3,137.44, 4,334.92 and 2,479.36

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Solution

The fourth proportional to 3,137.44, 4,334.92 and 2,479.36 is: 3,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.44 : 4,334.92 = 2,479.36 : x
  2. Step 2: Convert to fraction form
    3,137.44/4,334.92 = 2,479.36/x
  3. Step 3: Cross multiply
    3,137.44x = 4,334.92 × 2,479.36
  4. Step 4: Simplify right side
    3,137.44x = 10,747,827.25
  5. Step 5: Solve for x
    x = 10,747,827.25/3,137.44
  6. Step 6: Final answer
    x = 3,425.67

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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.