Home / 2,763.44-4,139.43-1,372.57

Finding the Fourth Proportional to 2,763.44, 4,139.43 and 1,372.57

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Solution

The fourth proportional to 2,763.44, 4,139.43 and 1,372.57 is: 2,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.44 : 4,139.43 = 1,372.57 : x
  2. Step 2: Convert to fraction form
    2,763.44/4,139.43 = 1,372.57/x
  3. Step 3: Cross multiply
    2,763.44x = 4,139.43 × 1,372.57
  4. Step 4: Simplify right side
    2,763.44x = 5,681,657.44
  5. Step 5: Solve for x
    x = 5,681,657.44/2,763.44
  6. Step 6: Final answer
    x = 2,056.01

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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.