Home / 3,271.36-4,514.46-1,855

Finding the Fourth Proportional to 3,271.36, 4,514.46 and 1,855

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Solution

The fourth proportional to 3,271.36, 4,514.46 and 1,855 is: 2,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.36 : 4,514.46 = 1,855 : x
  2. Step 2: Convert to fraction form
    3,271.36/4,514.46 = 1,855/x
  3. Step 3: Cross multiply
    3,271.36x = 4,514.46 × 1,855
  4. Step 4: Simplify right side
    3,271.36x = 8,374,323.30
  5. Step 5: Solve for x
    x = 8,374,323.30/3,271.36
  6. Step 6: Final answer
    x = 2,559.89

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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.