Home / 3,406.15-5,104.42-2,709.72

Finding the Fourth Proportional to 3,406.15, 5,104.42 and 2,709.72

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Solution

The fourth proportional to 3,406.15, 5,104.42 and 2,709.72 is: 4,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.15 : 5,104.42 = 2,709.72 : x
  2. Step 2: Convert to fraction form
    3,406.15/5,104.42 = 2,709.72/x
  3. Step 3: Cross multiply
    3,406.15x = 5,104.42 × 2,709.72
  4. Step 4: Simplify right side
    3,406.15x = 13,831,542.19
  5. Step 5: Solve for x
    x = 13,831,542.19/3,406.15
  6. Step 6: Final answer
    x = 4,060.75

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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.