Home / 3,514.72-5,272.66-1,323.64

Finding the Fourth Proportional to 3,514.72, 5,272.66 and 1,323.64

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Solution

The fourth proportional to 3,514.72, 5,272.66 and 1,323.64 is: 1,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.72 : 5,272.66 = 1,323.64 : x
  2. Step 2: Convert to fraction form
    3,514.72/5,272.66 = 1,323.64/x
  3. Step 3: Cross multiply
    3,514.72x = 5,272.66 × 1,323.64
  4. Step 4: Simplify right side
    3,514.72x = 6,979,103.68
  5. Step 5: Solve for x
    x = 6,979,103.68/3,514.72
  6. Step 6: Final answer
    x = 1,985.68

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1.5x scale

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.