Home / 3,382.51-4,667.32-1,890.35

Finding the Fourth Proportional to 3,382.51, 4,667.32 and 1,890.35

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Solution

The fourth proportional to 3,382.51, 4,667.32 and 1,890.35 is: 2,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.51 : 4,667.32 = 1,890.35 : x
  2. Step 2: Convert to fraction form
    3,382.51/4,667.32 = 1,890.35/x
  3. Step 3: Cross multiply
    3,382.51x = 4,667.32 × 1,890.35
  4. Step 4: Simplify right side
    3,382.51x = 8,822,868.36
  5. Step 5: Solve for x
    x = 8,822,868.36/3,382.51
  6. Step 6: Final answer
    x = 2,608.38

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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.