Home / 2,739.24-4,105.14-1,256.64

Finding the Fourth Proportional to 2,739.24, 4,105.14 and 1,256.64

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Solution

The fourth proportional to 2,739.24, 4,105.14 and 1,256.64 is: 1,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.24 : 4,105.14 = 1,256.64 : x
  2. Step 2: Convert to fraction form
    2,739.24/4,105.14 = 1,256.64/x
  3. Step 3: Cross multiply
    2,739.24x = 4,105.14 × 1,256.64
  4. Step 4: Simplify right side
    2,739.24x = 5,158,683.13
  5. Step 5: Solve for x
    x = 5,158,683.13/2,739.24
  6. Step 6: Final answer
    x = 1,883.25

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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.