Home / 3,190.30-4,773.42-2,866.57

Finding the Fourth Proportional to 3,190.30, 4,773.42 and 2,866.57

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Solution

The fourth proportional to 3,190.30, 4,773.42 and 2,866.57 is: 4,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.30 : 4,773.42 = 2,866.57 : x
  2. Step 2: Convert to fraction form
    3,190.30/4,773.42 = 2,866.57/x
  3. Step 3: Cross multiply
    3,190.30x = 4,773.42 × 2,866.57
  4. Step 4: Simplify right side
    3,190.30x = 13,683,318.70
  5. Step 5: Solve for x
    x = 13,683,318.70/3,190.30
  6. Step 6: Final answer
    x = 4,289.04

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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.