Home / 3,974.64-5,486.97-2,483.38

Finding the Fourth Proportional to 3,974.64, 5,486.97 and 2,483.38

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Solution

The fourth proportional to 3,974.64, 5,486.97 and 2,483.38 is: 3,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.64 : 5,486.97 = 2,483.38 : x
  2. Step 2: Convert to fraction form
    3,974.64/5,486.97 = 2,483.38/x
  3. Step 3: Cross multiply
    3,974.64x = 5,486.97 × 2,483.38
  4. Step 4: Simplify right side
    3,974.64x = 13,626,231.56
  5. Step 5: Solve for x
    x = 13,626,231.56/3,974.64
  6. Step 6: Final answer
    x = 3,428.29

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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.