Home / 3,382.41-4,667.81-1,890.49

Finding the Fourth Proportional to 3,382.41, 4,667.81 and 1,890.49

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Solution

The fourth proportional to 3,382.41, 4,667.81 and 1,890.49 is: 2,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.41 : 4,667.81 = 1,890.49 : x
  2. Step 2: Convert to fraction form
    3,382.41/4,667.81 = 1,890.49/x
  3. Step 3: Cross multiply
    3,382.41x = 4,667.81 × 1,890.49
  4. Step 4: Simplify right side
    3,382.41x = 8,824,424.79
  5. Step 5: Solve for x
    x = 8,824,424.79/3,382.41
  6. Step 6: Final answer
    x = 2,608.92

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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.