Home / 1,679.94-2,517.08-1,190.57

Finding the Fourth Proportional to 1,679.94, 2,517.08 and 1,190.57

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Solution

The fourth proportional to 1,679.94, 2,517.08 and 1,190.57 is: 1,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.94 : 2,517.08 = 1,190.57 : x
  2. Step 2: Convert to fraction form
    1,679.94/2,517.08 = 1,190.57/x
  3. Step 3: Cross multiply
    1,679.94x = 2,517.08 × 1,190.57
  4. Step 4: Simplify right side
    1,679.94x = 2,996,741.40
  5. Step 5: Solve for x
    x = 2,996,741.40/1,679.94
  6. Step 6: Final answer
    x = 1,783.84

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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.