Home / 2,039.87-3,052.84-1,415.37

Finding the Fourth Proportional to 2,039.87, 3,052.84 and 1,415.37

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Solution

The fourth proportional to 2,039.87, 3,052.84 and 1,415.37 is: 2,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.87 : 3,052.84 = 1,415.37 : x
  2. Step 2: Convert to fraction form
    2,039.87/3,052.84 = 1,415.37/x
  3. Step 3: Cross multiply
    2,039.87x = 3,052.84 × 1,415.37
  4. Step 4: Simplify right side
    2,039.87x = 4,320,898.15
  5. Step 5: Solve for x
    x = 4,320,898.15/2,039.87
  6. Step 6: Final answer
    x = 2,118.22

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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.