Home / 2,733.21-3,770.15-1,947.51

Finding the Fourth Proportional to 2,733.21, 3,770.15 and 1,947.51

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Solution

The fourth proportional to 2,733.21, 3,770.15 and 1,947.51 is: 2,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.21 : 3,770.15 = 1,947.51 : x
  2. Step 2: Convert to fraction form
    2,733.21/3,770.15 = 1,947.51/x
  3. Step 3: Cross multiply
    2,733.21x = 3,770.15 × 1,947.51
  4. Step 4: Simplify right side
    2,733.21x = 7,342,395.09
  5. Step 5: Solve for x
    x = 7,342,395.09/2,733.21
  6. Step 6: Final answer
    x = 2,686.36

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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.