Home / 3,998.06-5,518.26-2,598.38

Finding the Fourth Proportional to 3,998.06, 5,518.26 and 2,598.38

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Solution

The fourth proportional to 3,998.06, 5,518.26 and 2,598.38 is: 3,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.06 : 5,518.26 = 2,598.38 : x
  2. Step 2: Convert to fraction form
    3,998.06/5,518.26 = 2,598.38/x
  3. Step 3: Cross multiply
    3,998.06x = 5,518.26 × 2,598.38
  4. Step 4: Simplify right side
    3,998.06x = 14,338,536.42
  5. Step 5: Solve for x
    x = 14,338,536.42/3,998.06
  6. Step 6: Final answer
    x = 3,586.37

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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.