Home / 3,234.60-4,850.10-1,385.40

Finding the Fourth Proportional to 3,234.60, 4,850.10 and 1,385.40

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Solution

The fourth proportional to 3,234.60, 4,850.10 and 1,385.40 is: 2,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.60 : 4,850.10 = 1,385.40 : x
  2. Step 2: Convert to fraction form
    3,234.60/4,850.10 = 1,385.40/x
  3. Step 3: Cross multiply
    3,234.60x = 4,850.10 × 1,385.40
  4. Step 4: Simplify right side
    3,234.60x = 6,719,328.54
  5. Step 5: Solve for x
    x = 6,719,328.54/3,234.60
  6. Step 6: Final answer
    x = 2,077.33

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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.