Home / 1,716.80-2,571.60-1,349.84

Finding the Fourth Proportional to 1,716.80, 2,571.60 and 1,349.84

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Solution

The fourth proportional to 1,716.80, 2,571.60 and 1,349.84 is: 2,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.80 : 2,571.60 = 1,349.84 : x
  2. Step 2: Convert to fraction form
    1,716.80/2,571.60 = 1,349.84/x
  3. Step 3: Cross multiply
    1,716.80x = 2,571.60 × 1,349.84
  4. Step 4: Simplify right side
    1,716.80x = 3,471,248.54
  5. Step 5: Solve for x
    x = 3,471,248.54/1,716.80
  6. Step 6: Final answer
    x = 2,021.93

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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.