Home / 3,382.47-4,667.66-1,890.09

Finding the Fourth Proportional to 3,382.47, 4,667.66 and 1,890.09

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Solution

The fourth proportional to 3,382.47, 4,667.66 and 1,890.09 is: 2,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.47 : 4,667.66 = 1,890.09 : x
  2. Step 2: Convert to fraction form
    3,382.47/4,667.66 = 1,890.09/x
  3. Step 3: Cross multiply
    3,382.47x = 4,667.66 × 1,890.09
  4. Step 4: Simplify right side
    3,382.47x = 8,822,288.04
  5. Step 5: Solve for x
    x = 8,822,288.04/3,382.47
  6. Step 6: Final answer
    x = 2,608.24

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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.