Home / 3,766.58-5,647.68-1,426.77

Finding the Fourth Proportional to 3,766.58, 5,647.68 and 1,426.77

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Solution

The fourth proportional to 3,766.58, 5,647.68 and 1,426.77 is: 2,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.58 : 5,647.68 = 1,426.77 : x
  2. Step 2: Convert to fraction form
    3,766.58/5,647.68 = 1,426.77/x
  3. Step 3: Cross multiply
    3,766.58x = 5,647.68 × 1,426.77
  4. Step 4: Simplify right side
    3,766.58x = 8,057,940.39
  5. Step 5: Solve for x
    x = 8,057,940.39/3,766.58
  6. Step 6: Final answer
    x = 2,139.33

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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.