Home / 3,661.26-5,492.46-1,812.45

Finding the Fourth Proportional to 3,661.26, 5,492.46 and 1,812.45

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Solution

The fourth proportional to 3,661.26, 5,492.46 and 1,812.45 is: 2,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.26 : 5,492.46 = 1,812.45 : x
  2. Step 2: Convert to fraction form
    3,661.26/5,492.46 = 1,812.45/x
  3. Step 3: Cross multiply
    3,661.26x = 5,492.46 × 1,812.45
  4. Step 4: Simplify right side
    3,661.26x = 9,954,809.13
  5. Step 5: Solve for x
    x = 9,954,809.13/3,661.26
  6. Step 6: Final answer
    x = 2,718.96

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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.