Home / 2,716.74-3,749.49-1,820.37

Finding the Fourth Proportional to 2,716.74, 3,749.49 and 1,820.37

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Solution

The fourth proportional to 2,716.74, 3,749.49 and 1,820.37 is: 2,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.74 : 3,749.49 = 1,820.37 : x
  2. Step 2: Convert to fraction form
    2,716.74/3,749.49 = 1,820.37/x
  3. Step 3: Cross multiply
    2,716.74x = 3,749.49 × 1,820.37
  4. Step 4: Simplify right side
    2,716.74x = 6,825,473.17
  5. Step 5: Solve for x
    x = 6,825,473.17/2,716.74
  6. Step 6: Final answer
    x = 2,512.38

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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.