Home / 1,296.19-1,944.60-371.77

Finding the Fourth Proportional to 1,296.19, 1,944.60 and 371.77

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Solution

The fourth proportional to 1,296.19, 1,944.60 and 371.77 is: 557.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.19 : 1,944.60 = 371.77 : x
  2. Step 2: Convert to fraction form
    1,296.19/1,944.60 = 371.77/x
  3. Step 3: Cross multiply
    1,296.19x = 1,944.60 × 371.77
  4. Step 4: Simplify right side
    1,296.19x = 722,943.94
  5. Step 5: Solve for x
    x = 722,943.94/1,296.19
  6. Step 6: Final answer
    x = 557.75

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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.