Home / 1,839.05-2,539.68-1,571.93

Finding the Fourth Proportional to 1,839.05, 2,539.68 and 1,571.93

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Solution

The fourth proportional to 1,839.05, 2,539.68 and 1,571.93 is: 2,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.05 : 2,539.68 = 1,571.93 : x
  2. Step 2: Convert to fraction form
    1,839.05/2,539.68 = 1,571.93/x
  3. Step 3: Cross multiply
    1,839.05x = 2,539.68 × 1,571.93
  4. Step 4: Simplify right side
    1,839.05x = 3,992,186.48
  5. Step 5: Solve for x
    x = 3,992,186.48/1,839.05
  6. Step 6: Final answer
    x = 2,170.79

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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.