Home / 2,177.96-3,267.48-1,788.62

Finding the Fourth Proportional to 2,177.96, 3,267.48 and 1,788.62

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Solution

The fourth proportional to 2,177.96, 3,267.48 and 1,788.62 is: 2,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.96 : 3,267.48 = 1,788.62 : x
  2. Step 2: Convert to fraction form
    2,177.96/3,267.48 = 1,788.62/x
  3. Step 3: Cross multiply
    2,177.96x = 3,267.48 × 1,788.62
  4. Step 4: Simplify right side
    2,177.96x = 5,844,280.08
  5. Step 5: Solve for x
    x = 5,844,280.08/2,177.96
  6. Step 6: Final answer
    x = 2,683.37

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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.