Home / 2,208.81-3,297.82-1,946.37

Finding the Fourth Proportional to 2,208.81, 3,297.82 and 1,946.37

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Solution

The fourth proportional to 2,208.81, 3,297.82 and 1,946.37 is: 2,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.81 : 3,297.82 = 1,946.37 : x
  2. Step 2: Convert to fraction form
    2,208.81/3,297.82 = 1,946.37/x
  3. Step 3: Cross multiply
    2,208.81x = 3,297.82 × 1,946.37
  4. Step 4: Simplify right side
    2,208.81x = 6,418,773.05
  5. Step 5: Solve for x
    x = 6,418,773.05/2,208.81
  6. Step 6: Final answer
    x = 2,905.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.