Home / 3,399.16-4,690.48-1,982.47

Finding the Fourth Proportional to 3,399.16, 4,690.48 and 1,982.47

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Solution

The fourth proportional to 3,399.16, 4,690.48 and 1,982.47 is: 2,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.16 : 4,690.48 = 1,982.47 : x
  2. Step 2: Convert to fraction form
    3,399.16/4,690.48 = 1,982.47/x
  3. Step 3: Cross multiply
    3,399.16x = 4,690.48 × 1,982.47
  4. Step 4: Simplify right side
    3,399.16x = 9,298,735.89
  5. Step 5: Solve for x
    x = 9,298,735.89/3,399.16
  6. Step 6: Final answer
    x = 2,735.60

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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.