Home / 3,790.89-5,232.60-2,219.49

Finding the Fourth Proportional to 3,790.89, 5,232.60 and 2,219.49

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Solution

The fourth proportional to 3,790.89, 5,232.60 and 2,219.49 is: 3,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.89 : 5,232.60 = 2,219.49 : x
  2. Step 2: Convert to fraction form
    3,790.89/5,232.60 = 2,219.49/x
  3. Step 3: Cross multiply
    3,790.89x = 5,232.60 × 2,219.49
  4. Step 4: Simplify right side
    3,790.89x = 11,613,703.37
  5. Step 5: Solve for x
    x = 11,613,703.37/3,790.89
  6. Step 6: Final answer
    x = 3,063.58

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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.