Home / 3,185.60-4,391.96-2,301.62

Finding the Fourth Proportional to 3,185.60, 4,391.96 and 2,301.62

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Solution

The fourth proportional to 3,185.60, 4,391.96 and 2,301.62 is: 3,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.60 : 4,391.96 = 2,301.62 : x
  2. Step 2: Convert to fraction form
    3,185.60/4,391.96 = 2,301.62/x
  3. Step 3: Cross multiply
    3,185.60x = 4,391.96 × 2,301.62
  4. Step 4: Simplify right side
    3,185.60x = 10,108,622.98
  5. Step 5: Solve for x
    x = 10,108,622.98/3,185.60
  6. Step 6: Final answer
    x = 3,173.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.