Home / 1,845.22-2,768.10-675.28

Finding the Fourth Proportional to 1,845.22, 2,768.10 and 675.28

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Solution

The fourth proportional to 1,845.22, 2,768.10 and 675.28 is: 1,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.22 : 2,768.10 = 675.28 : x
  2. Step 2: Convert to fraction form
    1,845.22/2,768.10 = 675.28/x
  3. Step 3: Cross multiply
    1,845.22x = 2,768.10 × 675.28
  4. Step 4: Simplify right side
    1,845.22x = 1,869,242.57
  5. Step 5: Solve for x
    x = 1,869,242.57/1,845.22
  6. Step 6: Final answer
    x = 1,013.02

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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.