Home / 3,924.57-5,415.91-2,246.30

Finding the Fourth Proportional to 3,924.57, 5,415.91 and 2,246.30

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Solution

The fourth proportional to 3,924.57, 5,415.91 and 2,246.30 is: 3,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.57 : 5,415.91 = 2,246.30 : x
  2. Step 2: Convert to fraction form
    3,924.57/5,415.91 = 2,246.30/x
  3. Step 3: Cross multiply
    3,924.57x = 5,415.91 × 2,246.30
  4. Step 4: Simplify right side
    3,924.57x = 12,165,758.88
  5. Step 5: Solve for x
    x = 12,165,758.88/3,924.57
  6. Step 6: Final answer
    x = 3,099.90

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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.