Home / 3,518.76-5,272.30-2,132.45

Finding the Fourth Proportional to 3,518.76, 5,272.30 and 2,132.45

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Solution

The fourth proportional to 3,518.76, 5,272.30 and 2,132.45 is: 3,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.76 : 5,272.30 = 2,132.45 : x
  2. Step 2: Convert to fraction form
    3,518.76/5,272.30 = 2,132.45/x
  3. Step 3: Cross multiply
    3,518.76x = 5,272.30 × 2,132.45
  4. Step 4: Simplify right side
    3,518.76x = 11,242,916.14
  5. Step 5: Solve for x
    x = 11,242,916.14/3,518.76
  6. Step 6: Final answer
    x = 3,195.14

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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.