Home / 2,450.75-3,382.05-1,402.88

Finding the Fourth Proportional to 2,450.75, 3,382.05 and 1,402.88

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Solution

The fourth proportional to 2,450.75, 3,382.05 and 1,402.88 is: 1,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.75 : 3,382.05 = 1,402.88 : x
  2. Step 2: Convert to fraction form
    2,450.75/3,382.05 = 1,402.88/x
  3. Step 3: Cross multiply
    2,450.75x = 3,382.05 × 1,402.88
  4. Step 4: Simplify right side
    2,450.75x = 4,744,610.30
  5. Step 5: Solve for x
    x = 4,744,610.30/2,450.75
  6. Step 6: Final answer
    x = 1,935.98

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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.