Home / 2,921.75-4,379.77-1,166.23

Finding the Fourth Proportional to 2,921.75, 4,379.77 and 1,166.23

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Solution

The fourth proportional to 2,921.75, 4,379.77 and 1,166.23 is: 1,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.75 : 4,379.77 = 1,166.23 : x
  2. Step 2: Convert to fraction form
    2,921.75/4,379.77 = 1,166.23/x
  3. Step 3: Cross multiply
    2,921.75x = 4,379.77 × 1,166.23
  4. Step 4: Simplify right side
    2,921.75x = 5,107,826.10
  5. Step 5: Solve for x
    x = 5,107,826.10/2,921.75
  6. Step 6: Final answer
    x = 1,748.21

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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.