Home / 2,628.42-3,627.09-1,745.83

Finding the Fourth Proportional to 2,628.42, 3,627.09 and 1,745.83

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Solution

The fourth proportional to 2,628.42, 3,627.09 and 1,745.83 is: 2,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.42 : 3,627.09 = 1,745.83 : x
  2. Step 2: Convert to fraction form
    2,628.42/3,627.09 = 1,745.83/x
  3. Step 3: Cross multiply
    2,628.42x = 3,627.09 × 1,745.83
  4. Step 4: Simplify right side
    2,628.42x = 6,332,282.53
  5. Step 5: Solve for x
    x = 6,332,282.53/2,628.42
  6. Step 6: Final answer
    x = 2,409.16

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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.