Home / 3,650.44-5,440.98-3,442.87

Finding the Fourth Proportional to 3,650.44, 5,440.98 and 3,442.87

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Solution

The fourth proportional to 3,650.44, 5,440.98 and 3,442.87 is: 5,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.44 : 5,440.98 = 3,442.87 : x
  2. Step 2: Convert to fraction form
    3,650.44/5,440.98 = 3,442.87/x
  3. Step 3: Cross multiply
    3,650.44x = 5,440.98 × 3,442.87
  4. Step 4: Simplify right side
    3,650.44x = 18,732,586.81
  5. Step 5: Solve for x
    x = 18,732,586.81/3,650.44
  6. Step 6: Final answer
    x = 5,131.60

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Half scale
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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.