Home / 3,016.77-4,163.58-1,690.62

Finding the Fourth Proportional to 3,016.77, 4,163.58 and 1,690.62

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Solution

The fourth proportional to 3,016.77, 4,163.58 and 1,690.62 is: 2,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.77 : 4,163.58 = 1,690.62 : x
  2. Step 2: Convert to fraction form
    3,016.77/4,163.58 = 1,690.62/x
  3. Step 3: Cross multiply
    3,016.77x = 4,163.58 × 1,690.62
  4. Step 4: Simplify right side
    3,016.77x = 7,039,031.62
  5. Step 5: Solve for x
    x = 7,039,031.62/3,016.77
  6. Step 6: Final answer
    x = 2,333.30

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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.