Home / 2,933.12-4,052.80-2,828.04

Finding the Fourth Proportional to 2,933.12, 4,052.80 and 2,828.04

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Solution

The fourth proportional to 2,933.12, 4,052.80 and 2,828.04 is: 3,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.12 : 4,052.80 = 2,828.04 : x
  2. Step 2: Convert to fraction form
    2,933.12/4,052.80 = 2,828.04/x
  3. Step 3: Cross multiply
    2,933.12x = 4,052.80 × 2,828.04
  4. Step 4: Simplify right side
    2,933.12x = 11,461,480.51
  5. Step 5: Solve for x
    x = 11,461,480.51/2,933.12
  6. Step 6: Final answer
    x = 3,907.61

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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.