Home / 3,146.97-4,716.80-2,782.47

Finding the Fourth Proportional to 3,146.97, 4,716.80 and 2,782.47

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Solution

The fourth proportional to 3,146.97, 4,716.80 and 2,782.47 is: 4,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.97 : 4,716.80 = 2,782.47 : x
  2. Step 2: Convert to fraction form
    3,146.97/4,716.80 = 2,782.47/x
  3. Step 3: Cross multiply
    3,146.97x = 4,716.80 × 2,782.47
  4. Step 4: Simplify right side
    3,146.97x = 13,124,340.58
  5. Step 5: Solve for x
    x = 13,124,340.58/3,146.97
  6. Step 6: Final answer
    x = 4,170.47

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1.5x scale

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.