Home / 2,628.14-3,628.26-1,745.12

Finding the Fourth Proportional to 2,628.14, 3,628.26 and 1,745.12

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Solution

The fourth proportional to 2,628.14, 3,628.26 and 1,745.12 is: 2,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.14 : 3,628.26 = 1,745.12 : x
  2. Step 2: Convert to fraction form
    2,628.14/3,628.26 = 1,745.12/x
  3. Step 3: Cross multiply
    2,628.14x = 3,628.26 × 1,745.12
  4. Step 4: Simplify right side
    2,628.14x = 6,331,749.09
  5. Step 5: Solve for x
    x = 6,331,749.09/2,628.14
  6. Step 6: Final answer
    x = 2,409.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.