Home / 3,996.46-5,516.39-2,580.18

Finding the Fourth Proportional to 3,996.46, 5,516.39 and 2,580.18

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Solution

The fourth proportional to 3,996.46, 5,516.39 and 2,580.18 is: 3,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.46 : 5,516.39 = 2,580.18 : x
  2. Step 2: Convert to fraction form
    3,996.46/5,516.39 = 2,580.18/x
  3. Step 3: Cross multiply
    3,996.46x = 5,516.39 × 2,580.18
  4. Step 4: Simplify right side
    3,996.46x = 14,233,238.67
  5. Step 5: Solve for x
    x = 14,233,238.67/3,996.46
  6. Step 6: Final answer
    x = 3,561.46

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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.