Home / 2,620.67-3,609.95-2,241.32

Finding the Fourth Proportional to 2,620.67, 3,609.95 and 2,241.32

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Solution

The fourth proportional to 2,620.67, 3,609.95 and 2,241.32 is: 3,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.67 : 3,609.95 = 2,241.32 : x
  2. Step 2: Convert to fraction form
    2,620.67/3,609.95 = 2,241.32/x
  3. Step 3: Cross multiply
    2,620.67x = 3,609.95 × 2,241.32
  4. Step 4: Simplify right side
    2,620.67x = 8,091,023.88
  5. Step 5: Solve for x
    x = 8,091,023.88/2,620.67
  6. Step 6: Final answer
    x = 3,087.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.