Home / 3,230.70-4,847.55-1,009.86

Finding the Fourth Proportional to 3,230.70, 4,847.55 and 1,009.86

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Solution

The fourth proportional to 3,230.70, 4,847.55 and 1,009.86 is: 1,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.70 : 4,847.55 = 1,009.86 : x
  2. Step 2: Convert to fraction form
    3,230.70/4,847.55 = 1,009.86/x
  3. Step 3: Cross multiply
    3,230.70x = 4,847.55 × 1,009.86
  4. Step 4: Simplify right side
    3,230.70x = 4,895,346.84
  5. Step 5: Solve for x
    x = 4,895,346.84/3,230.70
  6. Step 6: Final answer
    x = 1,515.26

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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.