Home / 2,084.76-3,121.38-1,095.48

Finding the Fourth Proportional to 2,084.76, 3,121.38 and 1,095.48

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Solution

The fourth proportional to 2,084.76, 3,121.38 and 1,095.48 is: 1,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.76 : 3,121.38 = 1,095.48 : x
  2. Step 2: Convert to fraction form
    2,084.76/3,121.38 = 1,095.48/x
  3. Step 3: Cross multiply
    2,084.76x = 3,121.38 × 1,095.48
  4. Step 4: Simplify right side
    2,084.76x = 3,419,409.36
  5. Step 5: Solve for x
    x = 3,419,409.36/2,084.76
  6. Step 6: Final answer
    x = 1,640.19

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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.