Home / 2,749.51-4,124.77-900.73

Finding the Fourth Proportional to 2,749.51, 4,124.77 and 900.73

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Solution

The fourth proportional to 2,749.51, 4,124.77 and 900.73 is: 1,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.51 : 4,124.77 = 900.73 : x
  2. Step 2: Convert to fraction form
    2,749.51/4,124.77 = 900.73/x
  3. Step 3: Cross multiply
    2,749.51x = 4,124.77 × 900.73
  4. Step 4: Simplify right side
    2,749.51x = 3,715,317.85
  5. Step 5: Solve for x
    x = 3,715,317.85/2,749.51
  6. Step 6: Final answer
    x = 1,351.27

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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.