Home / 3,340.36-4,609.38-1,942.84

Finding the Fourth Proportional to 3,340.36, 4,609.38 and 1,942.84

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Solution

The fourth proportional to 3,340.36, 4,609.38 and 1,942.84 is: 2,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.36 : 4,609.38 = 1,942.84 : x
  2. Step 2: Convert to fraction form
    3,340.36/4,609.38 = 1,942.84/x
  3. Step 3: Cross multiply
    3,340.36x = 4,609.38 × 1,942.84
  4. Step 4: Simplify right side
    3,340.36x = 8,955,287.84
  5. Step 5: Solve for x
    x = 8,955,287.84/3,340.36
  6. Step 6: Final answer
    x = 2,680.93

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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.