Home / 1,995.09-3,007.77-1,970.43

Finding the Fourth Proportional to 1,995.09, 3,007.77 and 1,970.43

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Solution

The fourth proportional to 1,995.09, 3,007.77 and 1,970.43 is: 2,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.09 : 3,007.77 = 1,970.43 : x
  2. Step 2: Convert to fraction form
    1,995.09/3,007.77 = 1,970.43/x
  3. Step 3: Cross multiply
    1,995.09x = 3,007.77 × 1,970.43
  4. Step 4: Simplify right side
    1,995.09x = 5,926,600.24
  5. Step 5: Solve for x
    x = 5,926,600.24/1,995.09
  6. Step 6: Final answer
    x = 2,970.59

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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.