Home / 2,450.58-3,381.74-1,331.49

Finding the Fourth Proportional to 2,450.58, 3,381.74 and 1,331.49

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Solution

The fourth proportional to 2,450.58, 3,381.74 and 1,331.49 is: 1,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.58 : 3,381.74 = 1,331.49 : x
  2. Step 2: Convert to fraction form
    2,450.58/3,381.74 = 1,331.49/x
  3. Step 3: Cross multiply
    2,450.58x = 3,381.74 × 1,331.49
  4. Step 4: Simplify right side
    2,450.58x = 4,502,737.88
  5. Step 5: Solve for x
    x = 4,502,737.88/2,450.58
  6. Step 6: Final answer
    x = 1,837.42

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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.