Home / 3,585.87-5,395.21-2,126.05

Finding the Fourth Proportional to 3,585.87, 5,395.21 and 2,126.05

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Solution

The fourth proportional to 3,585.87, 5,395.21 and 2,126.05 is: 3,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.87 : 5,395.21 = 2,126.05 : x
  2. Step 2: Convert to fraction form
    3,585.87/5,395.21 = 2,126.05/x
  3. Step 3: Cross multiply
    3,585.87x = 5,395.21 × 2,126.05
  4. Step 4: Simplify right side
    3,585.87x = 11,470,467.42
  5. Step 5: Solve for x
    x = 11,470,467.42/3,585.87
  6. Step 6: Final answer
    x = 3,198.80

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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.