Home / 3,388.21-4,675.28-1,895.97

Finding the Fourth Proportional to 3,388.21, 4,675.28 and 1,895.97

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Solution

The fourth proportional to 3,388.21, 4,675.28 and 1,895.97 is: 2,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.21 : 4,675.28 = 1,895.97 : x
  2. Step 2: Convert to fraction form
    3,388.21/4,675.28 = 1,895.97/x
  3. Step 3: Cross multiply
    3,388.21x = 4,675.28 × 1,895.97
  4. Step 4: Simplify right side
    3,388.21x = 8,864,190.62
  5. Step 5: Solve for x
    x = 8,864,190.62/3,388.21
  6. Step 6: Final answer
    x = 2,616.19

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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.