Home / 2,748.24-3,794.30-1,908.67

Finding the Fourth Proportional to 2,748.24, 3,794.30 and 1,908.67

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Solution

The fourth proportional to 2,748.24, 3,794.30 and 1,908.67 is: 2,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.24 : 3,794.30 = 1,908.67 : x
  2. Step 2: Convert to fraction form
    2,748.24/3,794.30 = 1,908.67/x
  3. Step 3: Cross multiply
    2,748.24x = 3,794.30 × 1,908.67
  4. Step 4: Simplify right side
    2,748.24x = 7,242,057.04
  5. Step 5: Solve for x
    x = 7,242,057.04/2,748.24
  6. Step 6: Final answer
    x = 2,635.17

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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.