Home / 3,271.65-4,514.64-1,779.54

Finding the Fourth Proportional to 3,271.65, 4,514.64 and 1,779.54

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Solution

The fourth proportional to 3,271.65, 4,514.64 and 1,779.54 is: 2,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.65 : 4,514.64 = 1,779.54 : x
  2. Step 2: Convert to fraction form
    3,271.65/4,514.64 = 1,779.54/x
  3. Step 3: Cross multiply
    3,271.65x = 4,514.64 × 1,779.54
  4. Step 4: Simplify right side
    3,271.65x = 8,033,982.47
  5. Step 5: Solve for x
    x = 8,033,982.47/3,271.65
  6. Step 6: Final answer
    x = 2,455.64

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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.