Home / 3,821.51-5,736.13-1,973.95

Finding the Fourth Proportional to 3,821.51, 5,736.13 and 1,973.95

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Solution

The fourth proportional to 3,821.51, 5,736.13 and 1,973.95 is: 2,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.51 : 5,736.13 = 1,973.95 : x
  2. Step 2: Convert to fraction form
    3,821.51/5,736.13 = 1,973.95/x
  3. Step 3: Cross multiply
    3,821.51x = 5,736.13 × 1,973.95
  4. Step 4: Simplify right side
    3,821.51x = 11,322,833.81
  5. Step 5: Solve for x
    x = 11,322,833.81/3,821.51
  6. Step 6: Final answer
    x = 2,962.92

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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.