Home / 1,357.03-2,029.97-1,083.65

Finding the Fourth Proportional to 1,357.03, 2,029.97 and 1,083.65

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Solution

The fourth proportional to 1,357.03, 2,029.97 and 1,083.65 is: 1,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.03 : 2,029.97 = 1,083.65 : x
  2. Step 2: Convert to fraction form
    1,357.03/2,029.97 = 1,083.65/x
  3. Step 3: Cross multiply
    1,357.03x = 2,029.97 × 1,083.65
  4. Step 4: Simplify right side
    1,357.03x = 2,199,771.57
  5. Step 5: Solve for x
    x = 2,199,771.57/1,357.03
  6. Step 6: Final answer
    x = 1,621.03

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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.