Home / 3,956.69-5,459.75-2,188.06

Finding the Fourth Proportional to 3,956.69, 5,459.75 and 2,188.06

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Solution

The fourth proportional to 3,956.69, 5,459.75 and 2,188.06 is: 3,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.69 : 5,459.75 = 2,188.06 : x
  2. Step 2: Convert to fraction form
    3,956.69/5,459.75 = 2,188.06/x
  3. Step 3: Cross multiply
    3,956.69x = 5,459.75 × 2,188.06
  4. Step 4: Simplify right side
    3,956.69x = 11,946,260.59
  5. Step 5: Solve for x
    x = 11,946,260.59/3,956.69
  6. Step 6: Final answer
    x = 3,019.26

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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.