Home / 3,508.21-5,261.29-1,316.44

Finding the Fourth Proportional to 3,508.21, 5,261.29 and 1,316.44

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Solution

The fourth proportional to 3,508.21, 5,261.29 and 1,316.44 is: 1,974.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.21 : 5,261.29 = 1,316.44 : x
  2. Step 2: Convert to fraction form
    3,508.21/5,261.29 = 1,316.44/x
  3. Step 3: Cross multiply
    3,508.21x = 5,261.29 × 1,316.44
  4. Step 4: Simplify right side
    3,508.21x = 6,926,146.30
  5. Step 5: Solve for x
    x = 6,926,146.30/3,508.21
  6. Step 6: Final answer
    x = 1,974.27

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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.