Home / 1,745.70-2,409.44-1,107.23

Finding the Fourth Proportional to 1,745.70, 2,409.44 and 1,107.23

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Solution

The fourth proportional to 1,745.70, 2,409.44 and 1,107.23 is: 1,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.70 : 2,409.44 = 1,107.23 : x
  2. Step 2: Convert to fraction form
    1,745.70/2,409.44 = 1,107.23/x
  3. Step 3: Cross multiply
    1,745.70x = 2,409.44 × 1,107.23
  4. Step 4: Simplify right side
    1,745.70x = 2,667,792.69
  5. Step 5: Solve for x
    x = 2,667,792.69/1,745.70
  6. Step 6: Final answer
    x = 1,528.21

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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.