Home / 1,986.46-2,741.85-1,323.07

Finding the Fourth Proportional to 1,986.46, 2,741.85 and 1,323.07

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Solution

The fourth proportional to 1,986.46, 2,741.85 and 1,323.07 is: 1,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986.46 : 2,741.85 = 1,323.07 : x
  2. Step 2: Convert to fraction form
    1,986.46/2,741.85 = 1,323.07/x
  3. Step 3: Cross multiply
    1,986.46x = 2,741.85 × 1,323.07
  4. Step 4: Simplify right side
    1,986.46x = 3,627,652.62
  5. Step 5: Solve for x
    x = 3,627,652.62/1,986.46
  6. Step 6: Final answer
    x = 1,826.19

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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.