Home / 2,772.41-4,157.39-1,039.82

Finding the Fourth Proportional to 2,772.41, 4,157.39 and 1,039.82

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Solution

The fourth proportional to 2,772.41, 4,157.39 and 1,039.82 is: 1,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.41 : 4,157.39 = 1,039.82 : x
  2. Step 2: Convert to fraction form
    2,772.41/4,157.39 = 1,039.82/x
  3. Step 3: Cross multiply
    2,772.41x = 4,157.39 × 1,039.82
  4. Step 4: Simplify right side
    2,772.41x = 4,322,911.28
  5. Step 5: Solve for x
    x = 4,322,911.28/2,772.41
  6. Step 6: Final answer
    x = 1,559.26

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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.