Home / 2,272.03-3,408.05-628.58

Finding the Fourth Proportional to 2,272.03, 3,408.05 and 628.58

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Solution

The fourth proportional to 2,272.03, 3,408.05 and 628.58 is: 942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.03 : 3,408.05 = 628.58 : x
  2. Step 2: Convert to fraction form
    2,272.03/3,408.05 = 628.58/x
  3. Step 3: Cross multiply
    2,272.03x = 3,408.05 × 628.58
  4. Step 4: Simplify right side
    2,272.03x = 2,142,220.41
  5. Step 5: Solve for x
    x = 2,142,220.41/2,272.03
  6. Step 6: Final answer
    x = 942.87

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1.5x scale

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.