Home / 2,749.37-4,118.74-1,709.79

Finding the Fourth Proportional to 2,749.37, 4,118.74 and 1,709.79

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Solution

The fourth proportional to 2,749.37, 4,118.74 and 1,709.79 is: 2,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.37 : 4,118.74 = 1,709.79 : x
  2. Step 2: Convert to fraction form
    2,749.37/4,118.74 = 1,709.79/x
  3. Step 3: Cross multiply
    2,749.37x = 4,118.74 × 1,709.79
  4. Step 4: Simplify right side
    2,749.37x = 7,042,159.87
  5. Step 5: Solve for x
    x = 7,042,159.87/2,749.37
  6. Step 6: Final answer
    x = 2,561.37

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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.