Home / 3,382.70-4,667.73-1,890.57

Finding the Fourth Proportional to 3,382.70, 4,667.73 and 1,890.57

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Solution

The fourth proportional to 3,382.70, 4,667.73 and 1,890.57 is: 2,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.70 : 4,667.73 = 1,890.57 : x
  2. Step 2: Convert to fraction form
    3,382.70/4,667.73 = 1,890.57/x
  3. Step 3: Cross multiply
    3,382.70x = 4,667.73 × 1,890.57
  4. Step 4: Simplify right side
    3,382.70x = 8,824,680.72
  5. Step 5: Solve for x
    x = 8,824,680.72/3,382.70
  6. Step 6: Final answer
    x = 2,608.77

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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.