Home / 3,954.89-5,453.29-2,696.69

Finding the Fourth Proportional to 3,954.89, 5,453.29 and 2,696.69

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Solution

The fourth proportional to 3,954.89, 5,453.29 and 2,696.69 is: 3,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.89 : 5,453.29 = 2,696.69 : x
  2. Step 2: Convert to fraction form
    3,954.89/5,453.29 = 2,696.69/x
  3. Step 3: Cross multiply
    3,954.89x = 5,453.29 × 2,696.69
  4. Step 4: Simplify right side
    3,954.89x = 14,705,849.61
  5. Step 5: Solve for x
    x = 14,705,849.61/3,954.89
  6. Step 6: Final answer
    x = 3,718.39

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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.