Home / 3,790.27-5,674.91-1,937.39

Finding the Fourth Proportional to 3,790.27, 5,674.91 and 1,937.39

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Solution

The fourth proportional to 3,790.27, 5,674.91 and 1,937.39 is: 2,900.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.27 : 5,674.91 = 1,937.39 : x
  2. Step 2: Convert to fraction form
    3,790.27/5,674.91 = 1,937.39/x
  3. Step 3: Cross multiply
    3,790.27x = 5,674.91 × 1,937.39
  4. Step 4: Simplify right side
    3,790.27x = 10,994,513.88
  5. Step 5: Solve for x
    x = 10,994,513.88/3,790.27
  6. Step 6: Final answer
    x = 2,900.72

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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.