Home / 3,401.54-4,690.56-2,692.25

Finding the Fourth Proportional to 3,401.54, 4,690.56 and 2,692.25

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Solution

The fourth proportional to 3,401.54, 4,690.56 and 2,692.25 is: 3,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.54 : 4,690.56 = 2,692.25 : x
  2. Step 2: Convert to fraction form
    3,401.54/4,690.56 = 2,692.25/x
  3. Step 3: Cross multiply
    3,401.54x = 4,690.56 × 2,692.25
  4. Step 4: Simplify right side
    3,401.54x = 12,628,149.25
  5. Step 5: Solve for x
    x = 12,628,149.25/3,401.54
  6. Step 6: Final answer
    x = 3,712.48

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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.