Home / 1,969.45-2,718.69-1,497.43

Finding the Fourth Proportional to 1,969.45, 2,718.69 and 1,497.43

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Solution

The fourth proportional to 1,969.45, 2,718.69 and 1,497.43 is: 2,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.45 : 2,718.69 = 1,497.43 : x
  2. Step 2: Convert to fraction form
    1,969.45/2,718.69 = 1,497.43/x
  3. Step 3: Cross multiply
    1,969.45x = 2,718.69 × 1,497.43
  4. Step 4: Simplify right side
    1,969.45x = 4,071,047.97
  5. Step 5: Solve for x
    x = 4,071,047.97/1,969.45
  6. Step 6: Final answer
    x = 2,067.10

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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.