Home / 3,409.60-5,110.66-1,945.56

Finding the Fourth Proportional to 3,409.60, 5,110.66 and 1,945.56

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Solution

The fourth proportional to 3,409.60, 5,110.66 and 1,945.56 is: 2,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.60 : 5,110.66 = 1,945.56 : x
  2. Step 2: Convert to fraction form
    3,409.60/5,110.66 = 1,945.56/x
  3. Step 3: Cross multiply
    3,409.60x = 5,110.66 × 1,945.56
  4. Step 4: Simplify right side
    3,409.60x = 9,943,095.67
  5. Step 5: Solve for x
    x = 9,943,095.67/3,409.60
  6. Step 6: Final answer
    x = 2,916.21

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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.