Home / 1,946.12-2,930.13-1,716.48

Finding the Fourth Proportional to 1,946.12, 2,930.13 and 1,716.48

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Solution

The fourth proportional to 1,946.12, 2,930.13 and 1,716.48 is: 2,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.12 : 2,930.13 = 1,716.48 : x
  2. Step 2: Convert to fraction form
    1,946.12/2,930.13 = 1,716.48/x
  3. Step 3: Cross multiply
    1,946.12x = 2,930.13 × 1,716.48
  4. Step 4: Simplify right side
    1,946.12x = 5,029,509.54
  5. Step 5: Solve for x
    x = 5,029,509.54/1,946.12
  6. Step 6: Final answer
    x = 2,584.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.