Home / 2,450.30-3,381.36-1,331.21

Finding the Fourth Proportional to 2,450.30, 3,381.36 and 1,331.21

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Solution

The fourth proportional to 2,450.30, 3,381.36 and 1,331.21 is: 1,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.30 : 3,381.36 = 1,331.21 : x
  2. Step 2: Convert to fraction form
    2,450.30/3,381.36 = 1,331.21/x
  3. Step 3: Cross multiply
    2,450.30x = 3,381.36 × 1,331.21
  4. Step 4: Simplify right side
    2,450.30x = 4,501,300.25
  5. Step 5: Solve for x
    x = 4,501,300.25/2,450.30
  6. Step 6: Final answer
    x = 1,837.04

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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.