Home / 1,944.80-2,917.56-1,639.52

Finding the Fourth Proportional to 1,944.80, 2,917.56 and 1,639.52

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Solution

The fourth proportional to 1,944.80, 2,917.56 and 1,639.52 is: 2,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.80 : 2,917.56 = 1,639.52 : x
  2. Step 2: Convert to fraction form
    1,944.80/2,917.56 = 1,639.52/x
  3. Step 3: Cross multiply
    1,944.80x = 2,917.56 × 1,639.52
  4. Step 4: Simplify right side
    1,944.80x = 4,783,397.97
  5. Step 5: Solve for x
    x = 4,783,397.97/1,944.80
  6. Step 6: Final answer
    x = 2,459.58

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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.