Home / 3,213.28-4,434.08-1,796.96

Finding the Fourth Proportional to 3,213.28, 4,434.08 and 1,796.96

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Solution

The fourth proportional to 3,213.28, 4,434.08 and 1,796.96 is: 2,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.28 : 4,434.08 = 1,796.96 : x
  2. Step 2: Convert to fraction form
    3,213.28/4,434.08 = 1,796.96/x
  3. Step 3: Cross multiply
    3,213.28x = 4,434.08 × 1,796.96
  4. Step 4: Simplify right side
    3,213.28x = 7,967,864.40
  5. Step 5: Solve for x
    x = 7,967,864.40/3,213.28
  6. Step 6: Final answer
    x = 2,479.67

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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.