Home / 3,405.92-5,104.01-2,709.45

Finding the Fourth Proportional to 3,405.92, 5,104.01 and 2,709.45

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Solution

The fourth proportional to 3,405.92, 5,104.01 and 2,709.45 is: 4,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.92 : 5,104.01 = 2,709.45 : x
  2. Step 2: Convert to fraction form
    3,405.92/5,104.01 = 2,709.45/x
  3. Step 3: Cross multiply
    3,405.92x = 5,104.01 × 2,709.45
  4. Step 4: Simplify right side
    3,405.92x = 13,829,066.67
  5. Step 5: Solve for x
    x = 13,829,066.67/3,405.92
  6. Step 6: Final answer
    x = 4,060.31

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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.