Home / 1,845.85-2,768.07-675.46

Finding the Fourth Proportional to 1,845.85, 2,768.07 and 675.46

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Solution

The fourth proportional to 1,845.85, 2,768.07 and 675.46 is: 1,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.85 : 2,768.07 = 675.46 : x
  2. Step 2: Convert to fraction form
    1,845.85/2,768.07 = 675.46/x
  3. Step 3: Cross multiply
    1,845.85x = 2,768.07 × 675.46
  4. Step 4: Simplify right side
    1,845.85x = 1,869,734.34
  5. Step 5: Solve for x
    x = 1,869,734.34/1,845.85
  6. Step 6: Final answer
    x = 1,012.94

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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.