Home / 3,402.85-4,695.93-1,986.43

Finding the Fourth Proportional to 3,402.85, 4,695.93 and 1,986.43

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Solution

The fourth proportional to 3,402.85, 4,695.93 and 1,986.43 is: 2,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.85 : 4,695.93 = 1,986.43 : x
  2. Step 2: Convert to fraction form
    3,402.85/4,695.93 = 1,986.43/x
  3. Step 3: Cross multiply
    3,402.85x = 4,695.93 × 1,986.43
  4. Step 4: Simplify right side
    3,402.85x = 9,328,136.23
  5. Step 5: Solve for x
    x = 9,328,136.23/3,402.85
  6. Step 6: Final answer
    x = 2,741.27

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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.