Home / 3,396.48-4,689.34-2,768.51

Finding the Fourth Proportional to 3,396.48, 4,689.34 and 2,768.51

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Solution

The fourth proportional to 3,396.48, 4,689.34 and 2,768.51 is: 3,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.48 : 4,689.34 = 2,768.51 : x
  2. Step 2: Convert to fraction form
    3,396.48/4,689.34 = 2,768.51/x
  3. Step 3: Cross multiply
    3,396.48x = 4,689.34 × 2,768.51
  4. Step 4: Simplify right side
    3,396.48x = 12,982,505.06
  5. Step 5: Solve for x
    x = 12,982,505.06/3,396.48
  6. Step 6: Final answer
    x = 3,822.34

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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.