Home / 2,071.59-3,107.39-1,944.87

Finding the Fourth Proportional to 2,071.59, 3,107.39 and 1,944.87

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Solution

The fourth proportional to 2,071.59, 3,107.39 and 1,944.87 is: 2,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.59 : 3,107.39 = 1,944.87 : x
  2. Step 2: Convert to fraction form
    2,071.59/3,107.39 = 1,944.87/x
  3. Step 3: Cross multiply
    2,071.59x = 3,107.39 × 1,944.87
  4. Step 4: Simplify right side
    2,071.59x = 6,043,459.86
  5. Step 5: Solve for x
    x = 6,043,459.86/2,071.59
  6. Step 6: Final answer
    x = 2,917.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.