Home / 2,652.50-3,977.64-1,192.64

Finding the Fourth Proportional to 2,652.50, 3,977.64 and 1,192.64

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Solution

The fourth proportional to 2,652.50, 3,977.64 and 1,192.64 is: 1,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.50 : 3,977.64 = 1,192.64 : x
  2. Step 2: Convert to fraction form
    2,652.50/3,977.64 = 1,192.64/x
  3. Step 3: Cross multiply
    2,652.50x = 3,977.64 × 1,192.64
  4. Step 4: Simplify right side
    2,652.50x = 4,743,892.57
  5. Step 5: Solve for x
    x = 4,743,892.57/2,652.50
  6. Step 6: Final answer
    x = 1,788.46

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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.