Home / 2,354.40-3,245.94-1,954.56

Finding the Fourth Proportional to 2,354.40, 3,245.94 and 1,954.56

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Solution

The fourth proportional to 2,354.40, 3,245.94 and 1,954.56 is: 2,694.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.40 : 3,245.94 = 1,954.56 : x
  2. Step 2: Convert to fraction form
    2,354.40/3,245.94 = 1,954.56/x
  3. Step 3: Cross multiply
    2,354.40x = 3,245.94 × 1,954.56
  4. Step 4: Simplify right side
    2,354.40x = 6,344,384.49
  5. Step 5: Solve for x
    x = 6,344,384.49/2,354.40
  6. Step 6: Final answer
    x = 2,694.69

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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.