Home / 2,749.13-4,120.44-1,015.73

Finding the Fourth Proportional to 2,749.13, 4,120.44 and 1,015.73

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Solution

The fourth proportional to 2,749.13, 4,120.44 and 1,015.73 is: 1,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.13 : 4,120.44 = 1,015.73 : x
  2. Step 2: Convert to fraction form
    2,749.13/4,120.44 = 1,015.73/x
  3. Step 3: Cross multiply
    2,749.13x = 4,120.44 × 1,015.73
  4. Step 4: Simplify right side
    2,749.13x = 4,185,254.52
  5. Step 5: Solve for x
    x = 4,185,254.52/2,749.13
  6. Step 6: Final answer
    x = 1,522.39

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1.5x scale

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.