Home / 1,680.84-2,517.58-1,192.41

Finding the Fourth Proportional to 1,680.84, 2,517.58 and 1,192.41

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Solution

The fourth proportional to 1,680.84, 2,517.58 and 1,192.41 is: 1,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.84 : 2,517.58 = 1,192.41 : x
  2. Step 2: Convert to fraction form
    1,680.84/2,517.58 = 1,192.41/x
  3. Step 3: Cross multiply
    1,680.84x = 2,517.58 × 1,192.41
  4. Step 4: Simplify right side
    1,680.84x = 3,001,987.57
  5. Step 5: Solve for x
    x = 3,001,987.57/1,680.84
  6. Step 6: Final answer
    x = 1,786.00

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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.