Home / 3,016.88-4,163.20-1,690.66

Finding the Fourth Proportional to 3,016.88, 4,163.20 and 1,690.66

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Solution

The fourth proportional to 3,016.88, 4,163.20 and 1,690.66 is: 2,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.88 : 4,163.20 = 1,690.66 : x
  2. Step 2: Convert to fraction form
    3,016.88/4,163.20 = 1,690.66/x
  3. Step 3: Cross multiply
    3,016.88x = 4,163.20 × 1,690.66
  4. Step 4: Simplify right side
    3,016.88x = 7,038,555.71
  5. Step 5: Solve for x
    x = 7,038,555.71/3,016.88
  6. Step 6: Final answer
    x = 2,333.06

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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.