Home / 2,993.82-4,131.18-1,667.40

Finding the Fourth Proportional to 2,993.82, 4,131.18 and 1,667.40

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Solution

The fourth proportional to 2,993.82, 4,131.18 and 1,667.40 is: 2,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.82 : 4,131.18 = 1,667.40 : x
  2. Step 2: Convert to fraction form
    2,993.82/4,131.18 = 1,667.40/x
  3. Step 3: Cross multiply
    2,993.82x = 4,131.18 × 1,667.40
  4. Step 4: Simplify right side
    2,993.82x = 6,888,329.53
  5. Step 5: Solve for x
    x = 6,888,329.53/2,993.82
  6. Step 6: Final answer
    x = 2,300.85

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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.