Home / 3,205.11-4,423.37-1,946.07

Finding the Fourth Proportional to 3,205.11, 4,423.37 and 1,946.07

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Solution

The fourth proportional to 3,205.11, 4,423.37 and 1,946.07 is: 2,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.11 : 4,423.37 = 1,946.07 : x
  2. Step 2: Convert to fraction form
    3,205.11/4,423.37 = 1,946.07/x
  3. Step 3: Cross multiply
    3,205.11x = 4,423.37 × 1,946.07
  4. Step 4: Simplify right side
    3,205.11x = 8,608,187.66
  5. Step 5: Solve for x
    x = 8,608,187.66/3,205.11
  6. Step 6: Final answer
    x = 2,685.77

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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.