Home / 3,682.74-5,525.04-1,085.70

Finding the Fourth Proportional to 3,682.74, 5,525.04 and 1,085.70

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Solution

The fourth proportional to 3,682.74, 5,525.04 and 1,085.70 is: 1,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.74 : 5,525.04 = 1,085.70 : x
  2. Step 2: Convert to fraction form
    3,682.74/5,525.04 = 1,085.70/x
  3. Step 3: Cross multiply
    3,682.74x = 5,525.04 × 1,085.70
  4. Step 4: Simplify right side
    3,682.74x = 5,998,535.93
  5. Step 5: Solve for x
    x = 5,998,535.93/3,682.74
  6. Step 6: Final answer
    x = 1,628.82

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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.