Home / 3,859.54-5,326.48-2,180.94

Finding the Fourth Proportional to 3,859.54, 5,326.48 and 2,180.94

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Solution

The fourth proportional to 3,859.54, 5,326.48 and 2,180.94 is: 3,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.54 : 5,326.48 = 2,180.94 : x
  2. Step 2: Convert to fraction form
    3,859.54/5,326.48 = 2,180.94/x
  3. Step 3: Cross multiply
    3,859.54x = 5,326.48 × 2,180.94
  4. Step 4: Simplify right side
    3,859.54x = 11,616,733.29
  5. Step 5: Solve for x
    x = 11,616,733.29/3,859.54
  6. Step 6: Final answer
    x = 3,009.88

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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.