Home / 3,790.36-5,230.71-2,197.32

Finding the Fourth Proportional to 3,790.36, 5,230.71 and 2,197.32

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Solution

The fourth proportional to 3,790.36, 5,230.71 and 2,197.32 is: 3,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.36 : 5,230.71 = 2,197.32 : x
  2. Step 2: Convert to fraction form
    3,790.36/5,230.71 = 2,197.32/x
  3. Step 3: Cross multiply
    3,790.36x = 5,230.71 × 2,197.32
  4. Step 4: Simplify right side
    3,790.36x = 11,493,543.70
  5. Step 5: Solve for x
    x = 11,493,543.70/3,790.36
  6. Step 6: Final answer
    x = 3,032.31

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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.