Home / 3,397.43-5,087.63-2,782.64

Finding the Fourth Proportional to 3,397.43, 5,087.63 and 2,782.64

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Solution

The fourth proportional to 3,397.43, 5,087.63 and 2,782.64 is: 4,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.43 : 5,087.63 = 2,782.64 : x
  2. Step 2: Convert to fraction form
    3,397.43/5,087.63 = 2,782.64/x
  3. Step 3: Cross multiply
    3,397.43x = 5,087.63 × 2,782.64
  4. Step 4: Simplify right side
    3,397.43x = 14,157,003.39
  5. Step 5: Solve for x
    x = 14,157,003.39/3,397.43
  6. Step 6: Final answer
    x = 4,166.98

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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.