Home / 3,760.20-5,638.68-1,162.56

Finding the Fourth Proportional to 3,760.20, 5,638.68 and 1,162.56

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Solution

The fourth proportional to 3,760.20, 5,638.68 and 1,162.56 is: 1,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.20 : 5,638.68 = 1,162.56 : x
  2. Step 2: Convert to fraction form
    3,760.20/5,638.68 = 1,162.56/x
  3. Step 3: Cross multiply
    3,760.20x = 5,638.68 × 1,162.56
  4. Step 4: Simplify right side
    3,760.20x = 6,555,303.82
  5. Step 5: Solve for x
    x = 6,555,303.82/3,760.20
  6. Step 6: Final answer
    x = 1,743.34

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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.