Home / 4,112.84-6,170.16-1,920.37

Finding the Fourth Proportional to 4,112.84, 6,170.16 and 1,920.37

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Solution

The fourth proportional to 4,112.84, 6,170.16 and 1,920.37 is: 2,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.84 : 6,170.16 = 1,920.37 : x
  2. Step 2: Convert to fraction form
    4,112.84/6,170.16 = 1,920.37/x
  3. Step 3: Cross multiply
    4,112.84x = 6,170.16 × 1,920.37
  4. Step 4: Simplify right side
    4,112.84x = 11,848,959.31
  5. Step 5: Solve for x
    x = 11,848,959.31/4,112.84
  6. Step 6: Final answer
    x = 2,880.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.