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Finding the Fourth Proportional to 3,396.76, 4,695.37 and 2,833.94

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Solution

The fourth proportional to 3,396.76, 4,695.37 and 2,833.94 is: 3,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.76 : 4,695.37 = 2,833.94 : x
  2. Step 2: Convert to fraction form
    3,396.76/4,695.37 = 2,833.94/x
  3. Step 3: Cross multiply
    3,396.76x = 4,695.37 × 2,833.94
  4. Step 4: Simplify right side
    3,396.76x = 13,306,401.51
  5. Step 5: Solve for x
    x = 13,306,401.51/3,396.76
  6. Step 6: Final answer
    x = 3,917.38

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1.5x scale

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.