Home / 1,996.95-2,759.63-1,603.29

Finding the Fourth Proportional to 1,996.95, 2,759.63 and 1,603.29

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Solution

The fourth proportional to 1,996.95, 2,759.63 and 1,603.29 is: 2,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.95 : 2,759.63 = 1,603.29 : x
  2. Step 2: Convert to fraction form
    1,996.95/2,759.63 = 1,603.29/x
  3. Step 3: Cross multiply
    1,996.95x = 2,759.63 × 1,603.29
  4. Step 4: Simplify right side
    1,996.95x = 4,424,479.17
  5. Step 5: Solve for x
    x = 4,424,479.17/1,996.95
  6. Step 6: Final answer
    x = 2,215.62

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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.