Home / 3,581.43-5,370.38-1,472.67

Finding the Fourth Proportional to 3,581.43, 5,370.38 and 1,472.67

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Solution

The fourth proportional to 3,581.43, 5,370.38 and 1,472.67 is: 2,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.43 : 5,370.38 = 1,472.67 : x
  2. Step 2: Convert to fraction form
    3,581.43/5,370.38 = 1,472.67/x
  3. Step 3: Cross multiply
    3,581.43x = 5,370.38 × 1,472.67
  4. Step 4: Simplify right side
    3,581.43x = 7,908,783.98
  5. Step 5: Solve for x
    x = 7,908,783.98/3,581.43
  6. Step 6: Final answer
    x = 2,208.28

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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.