Home / 3,640.47-5,460.66-2,180.04

Finding the Fourth Proportional to 3,640.47, 5,460.66 and 2,180.04

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Solution

The fourth proportional to 3,640.47, 5,460.66 and 2,180.04 is: 3,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.47 : 5,460.66 = 2,180.04 : x
  2. Step 2: Convert to fraction form
    3,640.47/5,460.66 = 2,180.04/x
  3. Step 3: Cross multiply
    3,640.47x = 5,460.66 × 2,180.04
  4. Step 4: Simplify right side
    3,640.47x = 11,904,457.23
  5. Step 5: Solve for x
    x = 11,904,457.23/3,640.47
  6. Step 6: Final answer
    x = 3,270.03

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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.