Home / 1,756.44-2,635.74-1,268.28

Finding the Fourth Proportional to 1,756.44, 2,635.74 and 1,268.28

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Solution

The fourth proportional to 1,756.44, 2,635.74 and 1,268.28 is: 1,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.44 : 2,635.74 = 1,268.28 : x
  2. Step 2: Convert to fraction form
    1,756.44/2,635.74 = 1,268.28/x
  3. Step 3: Cross multiply
    1,756.44x = 2,635.74 × 1,268.28
  4. Step 4: Simplify right side
    1,756.44x = 3,342,856.33
  5. Step 5: Solve for x
    x = 3,342,856.33/1,756.44
  6. Step 6: Final answer
    x = 1,903.20

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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.