Home / 3,390.33-4,680.41-2,340.57

Finding the Fourth Proportional to 3,390.33, 4,680.41 and 2,340.57

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Solution

The fourth proportional to 3,390.33, 4,680.41 and 2,340.57 is: 3,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.33 : 4,680.41 = 2,340.57 : x
  2. Step 2: Convert to fraction form
    3,390.33/4,680.41 = 2,340.57/x
  3. Step 3: Cross multiply
    3,390.33x = 4,680.41 × 2,340.57
  4. Step 4: Simplify right side
    3,390.33x = 10,954,815.53
  5. Step 5: Solve for x
    x = 10,954,815.53/3,390.33
  6. Step 6: Final answer
    x = 3,231.19

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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.