Home / 1,806.58-2,707.44-1,317.34

Finding the Fourth Proportional to 1,806.58, 2,707.44 and 1,317.34

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Solution

The fourth proportional to 1,806.58, 2,707.44 and 1,317.34 is: 1,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806.58 : 2,707.44 = 1,317.34 : x
  2. Step 2: Convert to fraction form
    1,806.58/2,707.44 = 1,317.34/x
  3. Step 3: Cross multiply
    1,806.58x = 2,707.44 × 1,317.34
  4. Step 4: Simplify right side
    1,806.58x = 3,566,619.01
  5. Step 5: Solve for x
    x = 3,566,619.01/1,806.58
  6. Step 6: Final answer
    x = 1,974.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.