Home / 2,450.42-3,381.66-1,331.44

Finding the Fourth Proportional to 2,450.42, 3,381.66 and 1,331.44

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Solution

The fourth proportional to 2,450.42, 3,381.66 and 1,331.44 is: 1,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.42 : 3,381.66 = 1,331.44 : x
  2. Step 2: Convert to fraction form
    2,450.42/3,381.66 = 1,331.44/x
  3. Step 3: Cross multiply
    2,450.42x = 3,381.66 × 1,331.44
  4. Step 4: Simplify right side
    2,450.42x = 4,502,477.39
  5. Step 5: Solve for x
    x = 4,502,477.39/2,450.42
  6. Step 6: Final answer
    x = 1,837.43

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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.