Home / 2,749.82-4,125.39-900.97

Finding the Fourth Proportional to 2,749.82, 4,125.39 and 900.97

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Solution

The fourth proportional to 2,749.82, 4,125.39 and 900.97 is: 1,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.82 : 4,125.39 = 900.97 : x
  2. Step 2: Convert to fraction form
    2,749.82/4,125.39 = 900.97/x
  3. Step 3: Cross multiply
    2,749.82x = 4,125.39 × 900.97
  4. Step 4: Simplify right side
    2,749.82x = 3,716,852.63
  5. Step 5: Solve for x
    x = 3,716,852.63/2,749.82
  6. Step 6: Final answer
    x = 1,351.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.