Home / 2,733.80-3,771.79-1,615.13

Finding the Fourth Proportional to 2,733.80, 3,771.79 and 1,615.13

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Solution

The fourth proportional to 2,733.80, 3,771.79 and 1,615.13 is: 2,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.80 : 3,771.79 = 1,615.13 : x
  2. Step 2: Convert to fraction form
    2,733.80/3,771.79 = 1,615.13/x
  3. Step 3: Cross multiply
    2,733.80x = 3,771.79 × 1,615.13
  4. Step 4: Simplify right side
    2,733.80x = 6,091,936.57
  5. Step 5: Solve for x
    x = 6,091,936.57/2,733.80
  6. Step 6: Final answer
    x = 2,228.37

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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.