Home / 2,657.57-3,667.68-1,993.23

Finding the Fourth Proportional to 2,657.57, 3,667.68 and 1,993.23

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Solution

The fourth proportional to 2,657.57, 3,667.68 and 1,993.23 is: 2,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.57 : 3,667.68 = 1,993.23 : x
  2. Step 2: Convert to fraction form
    2,657.57/3,667.68 = 1,993.23/x
  3. Step 3: Cross multiply
    2,657.57x = 3,667.68 × 1,993.23
  4. Step 4: Simplify right side
    2,657.57x = 7,310,529.81
  5. Step 5: Solve for x
    x = 7,310,529.81/2,657.57
  6. Step 6: Final answer
    x = 2,750.84

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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.