Home / 3,514.78-5,271.26-1,322.31

Finding the Fourth Proportional to 3,514.78, 5,271.26 and 1,322.31

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Solution

The fourth proportional to 3,514.78, 5,271.26 and 1,322.31 is: 1,983.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.78 : 5,271.26 = 1,322.31 : x
  2. Step 2: Convert to fraction form
    3,514.78/5,271.26 = 1,322.31/x
  3. Step 3: Cross multiply
    3,514.78x = 5,271.26 × 1,322.31
  4. Step 4: Simplify right side
    3,514.78x = 6,970,239.81
  5. Step 5: Solve for x
    x = 6,970,239.81/3,514.78
  6. Step 6: Final answer
    x = 1,983.12

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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.