Home / 3,189.88-4,402.03-1,792.63

Finding the Fourth Proportional to 3,189.88, 4,402.03 and 1,792.63

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Solution

The fourth proportional to 3,189.88, 4,402.03 and 1,792.63 is: 2,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.88 : 4,402.03 = 1,792.63 : x
  2. Step 2: Convert to fraction form
    3,189.88/4,402.03 = 1,792.63/x
  3. Step 3: Cross multiply
    3,189.88x = 4,402.03 × 1,792.63
  4. Step 4: Simplify right side
    3,189.88x = 7,891,189.03
  5. Step 5: Solve for x
    x = 7,891,189.03/3,189.88
  6. Step 6: Final answer
    x = 2,473.82

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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.