Home / 3,393.44-4,680.53-2,920.51

Finding the Fourth Proportional to 3,393.44, 4,680.53 and 2,920.51

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Solution

The fourth proportional to 3,393.44, 4,680.53 and 2,920.51 is: 4,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.44 : 4,680.53 = 2,920.51 : x
  2. Step 2: Convert to fraction form
    3,393.44/4,680.53 = 2,920.51/x
  3. Step 3: Cross multiply
    3,393.44x = 4,680.53 × 2,920.51
  4. Step 4: Simplify right side
    3,393.44x = 13,669,536.87
  5. Step 5: Solve for x
    x = 13,669,536.87/3,393.44
  6. Step 6: Final answer
    x = 4,028.23

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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.