Home / 3,380.21-4,664.66-1,888.09

Finding the Fourth Proportional to 3,380.21, 4,664.66 and 1,888.09

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Solution

The fourth proportional to 3,380.21, 4,664.66 and 1,888.09 is: 2,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.21 : 4,664.66 = 1,888.09 : x
  2. Step 2: Convert to fraction form
    3,380.21/4,664.66 = 1,888.09/x
  3. Step 3: Cross multiply
    3,380.21x = 4,664.66 × 1,888.09
  4. Step 4: Simplify right side
    3,380.21x = 8,807,276.80
  5. Step 5: Solve for x
    x = 8,807,276.80/3,380.21
  6. Step 6: Final answer
    x = 2,605.54

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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.