Home / 3,391.46-4,680.63-2,065.36

Finding the Fourth Proportional to 3,391.46, 4,680.63 and 2,065.36

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Solution

The fourth proportional to 3,391.46, 4,680.63 and 2,065.36 is: 2,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.46 : 4,680.63 = 2,065.36 : x
  2. Step 2: Convert to fraction form
    3,391.46/4,680.63 = 2,065.36/x
  3. Step 3: Cross multiply
    3,391.46x = 4,680.63 × 2,065.36
  4. Step 4: Simplify right side
    3,391.46x = 9,667,162.57
  5. Step 5: Solve for x
    x = 9,667,162.57/3,391.46
  6. Step 6: Final answer
    x = 2,850.44

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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.