Home / 3,485.78-5,228.67-2,450.41

Finding the Fourth Proportional to 3,485.78, 5,228.67 and 2,450.41

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Solution

The fourth proportional to 3,485.78, 5,228.67 and 2,450.41 is: 3,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.78 : 5,228.67 = 2,450.41 : x
  2. Step 2: Convert to fraction form
    3,485.78/5,228.67 = 2,450.41/x
  3. Step 3: Cross multiply
    3,485.78x = 5,228.67 × 2,450.41
  4. Step 4: Simplify right side
    3,485.78x = 12,812,369.27
  5. Step 5: Solve for x
    x = 12,812,369.27/3,485.78
  6. Step 6: Final answer
    x = 3,675.61

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.