Home / 3,409.57-5,110.80-1,740.61

Finding the Fourth Proportional to 3,409.57, 5,110.80 and 1,740.61

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Solution

The fourth proportional to 3,409.57, 5,110.80 and 1,740.61 is: 2,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.57 : 5,110.80 = 1,740.61 : x
  2. Step 2: Convert to fraction form
    3,409.57/5,110.80 = 1,740.61/x
  3. Step 3: Cross multiply
    3,409.57x = 5,110.80 × 1,740.61
  4. Step 4: Simplify right side
    3,409.57x = 8,895,909.59
  5. Step 5: Solve for x
    x = 8,895,909.59/3,409.57
  6. Step 6: Final answer
    x = 2,609.10

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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.