Home / 1,619.06-2,429.62-1,537.28

Finding the Fourth Proportional to 1,619.06, 2,429.62 and 1,537.28

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Solution

The fourth proportional to 1,619.06, 2,429.62 and 1,537.28 is: 2,306.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.06 : 2,429.62 = 1,537.28 : x
  2. Step 2: Convert to fraction form
    1,619.06/2,429.62 = 1,537.28/x
  3. Step 3: Cross multiply
    1,619.06x = 2,429.62 × 1,537.28
  4. Step 4: Simplify right side
    1,619.06x = 3,735,003.68
  5. Step 5: Solve for x
    x = 3,735,003.68/1,619.06
  6. Step 6: Final answer
    x = 2,306.89

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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.