Home / 3,312.80-4,969.32-2,734.64

Finding the Fourth Proportional to 3,312.80, 4,969.32 and 2,734.64

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Solution

The fourth proportional to 3,312.80, 4,969.32 and 2,734.64 is: 4,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.80 : 4,969.32 = 2,734.64 : x
  2. Step 2: Convert to fraction form
    3,312.80/4,969.32 = 2,734.64/x
  3. Step 3: Cross multiply
    3,312.80x = 4,969.32 × 2,734.64
  4. Step 4: Simplify right side
    3,312.80x = 13,589,301.24
  5. Step 5: Solve for x
    x = 13,589,301.24/3,312.80
  6. Step 6: Final answer
    x = 4,102.06

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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.