Home / 3,391.10-5,080.67-2,969.93

Finding the Fourth Proportional to 3,391.10, 5,080.67 and 2,969.93

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Solution

The fourth proportional to 3,391.10, 5,080.67 and 2,969.93 is: 4,449.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.10 : 5,080.67 = 2,969.93 : x
  2. Step 2: Convert to fraction form
    3,391.10/5,080.67 = 2,969.93/x
  3. Step 3: Cross multiply
    3,391.10x = 5,080.67 × 2,969.93
  4. Step 4: Simplify right side
    3,391.10x = 15,089,246.95
  5. Step 5: Solve for x
    x = 15,089,246.95/3,391.10
  6. Step 6: Final answer
    x = 4,449.66

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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.