Home / 3,622.24-4,997.80-2,130.04

Finding the Fourth Proportional to 3,622.24, 4,997.80 and 2,130.04

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Solution

The fourth proportional to 3,622.24, 4,997.80 and 2,130.04 is: 2,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.24 : 4,997.80 = 2,130.04 : x
  2. Step 2: Convert to fraction form
    3,622.24/4,997.80 = 2,130.04/x
  3. Step 3: Cross multiply
    3,622.24x = 4,997.80 × 2,130.04
  4. Step 4: Simplify right side
    3,622.24x = 10,645,513.91
  5. Step 5: Solve for x
    x = 10,645,513.91/3,622.24
  6. Step 6: Final answer
    x = 2,938.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.