Home / 2,319.88-3,201.43-1,271.94

Finding the Fourth Proportional to 2,319.88, 3,201.43 and 1,271.94

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Solution

The fourth proportional to 2,319.88, 3,201.43 and 1,271.94 is: 1,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.88 : 3,201.43 = 1,271.94 : x
  2. Step 2: Convert to fraction form
    2,319.88/3,201.43 = 1,271.94/x
  3. Step 3: Cross multiply
    2,319.88x = 3,201.43 × 1,271.94
  4. Step 4: Simplify right side
    2,319.88x = 4,072,026.87
  5. Step 5: Solve for x
    x = 4,072,026.87/2,319.88
  6. Step 6: Final answer
    x = 1,755.27

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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.