Home / 1,845.43-2,768.19-675.46

Finding the Fourth Proportional to 1,845.43, 2,768.19 and 675.46

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Solution

The fourth proportional to 1,845.43, 2,768.19 and 675.46 is: 1,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.43 : 2,768.19 = 675.46 : x
  2. Step 2: Convert to fraction form
    1,845.43/2,768.19 = 675.46/x
  3. Step 3: Cross multiply
    1,845.43x = 2,768.19 × 675.46
  4. Step 4: Simplify right side
    1,845.43x = 1,869,811.28
  5. Step 5: Solve for x
    x = 1,869,811.28/1,845.43
  6. Step 6: Final answer
    x = 1,013.21

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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.