Home / 3,382.09-4,667.95-1,889.92

Finding the Fourth Proportional to 3,382.09, 4,667.95 and 1,889.92

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Solution

The fourth proportional to 3,382.09, 4,667.95 and 1,889.92 is: 2,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.09 : 4,667.95 = 1,889.92 : x
  2. Step 2: Convert to fraction form
    3,382.09/4,667.95 = 1,889.92/x
  3. Step 3: Cross multiply
    3,382.09x = 4,667.95 × 1,889.92
  4. Step 4: Simplify right side
    3,382.09x = 8,822,060.26
  5. Step 5: Solve for x
    x = 8,822,060.26/3,382.09
  6. Step 6: Final answer
    x = 2,608.47

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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.