Home / 3,236.82-4,466.88-1,911.66

Finding the Fourth Proportional to 3,236.82, 4,466.88 and 1,911.66

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Solution

The fourth proportional to 3,236.82, 4,466.88 and 1,911.66 is: 2,638.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.82 : 4,466.88 = 1,911.66 : x
  2. Step 2: Convert to fraction form
    3,236.82/4,466.88 = 1,911.66/x
  3. Step 3: Cross multiply
    3,236.82x = 4,466.88 × 1,911.66
  4. Step 4: Simplify right side
    3,236.82x = 8,539,155.82
  5. Step 5: Solve for x
    x = 8,539,155.82/3,236.82
  6. Step 6: Final answer
    x = 2,638.13

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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.