Home / 3,016.84-4,163.04-1,690.54

Finding the Fourth Proportional to 3,016.84, 4,163.04 and 1,690.54

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Solution

The fourth proportional to 3,016.84, 4,163.04 and 1,690.54 is: 2,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.84 : 4,163.04 = 1,690.54 : x
  2. Step 2: Convert to fraction form
    3,016.84/4,163.04 = 1,690.54/x
  3. Step 3: Cross multiply
    3,016.84x = 4,163.04 × 1,690.54
  4. Step 4: Simplify right side
    3,016.84x = 7,037,785.64
  5. Step 5: Solve for x
    x = 7,037,785.64/3,016.84
  6. Step 6: Final answer
    x = 2,332.83

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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.