Home / 3,956.00-5,459.39-2,187.71

Finding the Fourth Proportional to 3,956.00, 5,459.39 and 2,187.71

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Solution

The fourth proportional to 3,956.00, 5,459.39 and 2,187.71 is: 3,019.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.00 : 5,459.39 = 2,187.71 : x
  2. Step 2: Convert to fraction form
    3,956.00/5,459.39 = 2,187.71/x
  3. Step 3: Cross multiply
    3,956.00x = 5,459.39 × 2,187.71
  4. Step 4: Simplify right side
    3,956.00x = 11,943,564.81
  5. Step 5: Solve for x
    x = 11,943,564.81/3,956.00
  6. Step 6: Final answer
    x = 3,019.11

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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.