Home / 3,621.87-5,433.53-1,541.86

Finding the Fourth Proportional to 3,621.87, 5,433.53 and 1,541.86

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Solution

The fourth proportional to 3,621.87, 5,433.53 and 1,541.86 is: 2,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.87 : 5,433.53 = 1,541.86 : x
  2. Step 2: Convert to fraction form
    3,621.87/5,433.53 = 1,541.86/x
  3. Step 3: Cross multiply
    3,621.87x = 5,433.53 × 1,541.86
  4. Step 4: Simplify right side
    3,621.87x = 8,377,721.27
  5. Step 5: Solve for x
    x = 8,377,721.27/3,621.87
  6. Step 6: Final answer
    x = 2,313.09

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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.