Home / 3,943.20-5,914.89-1,477.56

Finding the Fourth Proportional to 3,943.20, 5,914.89 and 1,477.56

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Solution

The fourth proportional to 3,943.20, 5,914.89 and 1,477.56 is: 2,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.20 : 5,914.89 = 1,477.56 : x
  2. Step 2: Convert to fraction form
    3,943.20/5,914.89 = 1,477.56/x
  3. Step 3: Cross multiply
    3,943.20x = 5,914.89 × 1,477.56
  4. Step 4: Simplify right side
    3,943.20x = 8,739,604.87
  5. Step 5: Solve for x
    x = 8,739,604.87/3,943.20
  6. Step 6: Final answer
    x = 2,216.37

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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.