Home / 2,149.64-3,219.42-1,050.56

Finding the Fourth Proportional to 2,149.64, 3,219.42 and 1,050.56

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Solution

The fourth proportional to 2,149.64, 3,219.42 and 1,050.56 is: 1,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.64 : 3,219.42 = 1,050.56 : x
  2. Step 2: Convert to fraction form
    2,149.64/3,219.42 = 1,050.56/x
  3. Step 3: Cross multiply
    2,149.64x = 3,219.42 × 1,050.56
  4. Step 4: Simplify right side
    2,149.64x = 3,382,193.88
  5. Step 5: Solve for x
    x = 3,382,193.88/2,149.64
  6. Step 6: Final answer
    x = 1,573.38

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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.