Home / 2,450.44-3,381.51-1,402.30

Finding the Fourth Proportional to 2,450.44, 3,381.51 and 1,402.30

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Solution

The fourth proportional to 2,450.44, 3,381.51 and 1,402.30 is: 1,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.44 : 3,381.51 = 1,402.30 : x
  2. Step 2: Convert to fraction form
    2,450.44/3,381.51 = 1,402.30/x
  3. Step 3: Cross multiply
    2,450.44x = 3,381.51 × 1,402.30
  4. Step 4: Simplify right side
    2,450.44x = 4,741,891.47
  5. Step 5: Solve for x
    x = 4,741,891.47/2,450.44
  6. Step 6: Final answer
    x = 1,935.12

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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.