Home / 1,971.14-2,721.38-1,499.04

Finding the Fourth Proportional to 1,971.14, 2,721.38 and 1,499.04

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Solution

The fourth proportional to 1,971.14, 2,721.38 and 1,499.04 is: 2,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.14 : 2,721.38 = 1,499.04 : x
  2. Step 2: Convert to fraction form
    1,971.14/2,721.38 = 1,499.04/x
  3. Step 3: Cross multiply
    1,971.14x = 2,721.38 × 1,499.04
  4. Step 4: Simplify right side
    1,971.14x = 4,079,449.98
  5. Step 5: Solve for x
    x = 4,079,449.98/1,971.14
  6. Step 6: Final answer
    x = 2,069.59

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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.