Home / 3,235.70-4,850.35-1,285.30

Finding the Fourth Proportional to 3,235.70, 4,850.35 and 1,285.30

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Solution

The fourth proportional to 3,235.70, 4,850.35 and 1,285.30 is: 1,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.70 : 4,850.35 = 1,285.30 : x
  2. Step 2: Convert to fraction form
    3,235.70/4,850.35 = 1,285.30/x
  3. Step 3: Cross multiply
    3,235.70x = 4,850.35 × 1,285.30
  4. Step 4: Simplify right side
    3,235.70x = 6,234,154.86
  5. Step 5: Solve for x
    x = 6,234,154.86/3,235.70
  6. Step 6: Final answer
    x = 1,926.68

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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.