Home / 2,965.09-4,445.77-1,405.54

Finding the Fourth Proportional to 2,965.09, 4,445.77 and 1,405.54

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Solution

The fourth proportional to 2,965.09, 4,445.77 and 1,405.54 is: 2,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.09 : 4,445.77 = 1,405.54 : x
  2. Step 2: Convert to fraction form
    2,965.09/4,445.77 = 1,405.54/x
  3. Step 3: Cross multiply
    2,965.09x = 4,445.77 × 1,405.54
  4. Step 4: Simplify right side
    2,965.09x = 6,248,707.57
  5. Step 5: Solve for x
    x = 6,248,707.57/2,965.09
  6. Step 6: Final answer
    x = 2,107.43

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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.