Home / 3,790.61-5,231.06-2,197.57

Finding the Fourth Proportional to 3,790.61, 5,231.06 and 2,197.57

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Solution

The fourth proportional to 3,790.61, 5,231.06 and 2,197.57 is: 3,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.61 : 5,231.06 = 2,197.57 : x
  2. Step 2: Convert to fraction form
    3,790.61/5,231.06 = 2,197.57/x
  3. Step 3: Cross multiply
    3,790.61x = 5,231.06 × 2,197.57
  4. Step 4: Simplify right side
    3,790.61x = 11,495,583.38
  5. Step 5: Solve for x
    x = 11,495,583.38/3,790.61
  6. Step 6: Final answer
    x = 3,032.65

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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.