Home / 3,091.36-4,638.96-2,267.60

Finding the Fourth Proportional to 3,091.36, 4,638.96 and 2,267.60

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Solution

The fourth proportional to 3,091.36, 4,638.96 and 2,267.60 is: 3,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.36 : 4,638.96 = 2,267.60 : x
  2. Step 2: Convert to fraction form
    3,091.36/4,638.96 = 2,267.60/x
  3. Step 3: Cross multiply
    3,091.36x = 4,638.96 × 2,267.60
  4. Step 4: Simplify right side
    3,091.36x = 10,519,305.70
  5. Step 5: Solve for x
    x = 10,519,305.70/3,091.36
  6. Step 6: Final answer
    x = 3,402.81

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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.