Home / 2,084.16-3,125.61-1,109.73

Finding the Fourth Proportional to 2,084.16, 3,125.61 and 1,109.73

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Solution

The fourth proportional to 2,084.16, 3,125.61 and 1,109.73 is: 1,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.16 : 3,125.61 = 1,109.73 : x
  2. Step 2: Convert to fraction form
    2,084.16/3,125.61 = 1,109.73/x
  3. Step 3: Cross multiply
    2,084.16x = 3,125.61 × 1,109.73
  4. Step 4: Simplify right side
    2,084.16x = 3,468,583.19
  5. Step 5: Solve for x
    x = 3,468,583.19/2,084.16
  6. Step 6: Final answer
    x = 1,664.26

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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.