Home / 3,206.82-4,810.93-985.66

Finding the Fourth Proportional to 3,206.82, 4,810.93 and 985.66

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Solution

The fourth proportional to 3,206.82, 4,810.93 and 985.66 is: 1,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.82 : 4,810.93 = 985.66 : x
  2. Step 2: Convert to fraction form
    3,206.82/4,810.93 = 985.66/x
  3. Step 3: Cross multiply
    3,206.82x = 4,810.93 × 985.66
  4. Step 4: Simplify right side
    3,206.82x = 4,741,941.26
  5. Step 5: Solve for x
    x = 4,741,941.26/3,206.82
  6. Step 6: Final answer
    x = 1,478.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.