Home / 3,586.56-5,379.60-1,121.58

Finding the Fourth Proportional to 3,586.56, 5,379.60 and 1,121.58

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Solution

The fourth proportional to 3,586.56, 5,379.60 and 1,121.58 is: 1,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.56 : 5,379.60 = 1,121.58 : x
  2. Step 2: Convert to fraction form
    3,586.56/5,379.60 = 1,121.58/x
  3. Step 3: Cross multiply
    3,586.56x = 5,379.60 × 1,121.58
  4. Step 4: Simplify right side
    3,586.56x = 6,033,651.77
  5. Step 5: Solve for x
    x = 6,033,651.77/3,586.56
  6. Step 6: Final answer
    x = 1,682.29

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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.