Home / 1,977.44-2,729.77-1,481.72

Finding the Fourth Proportional to 1,977.44, 2,729.77 and 1,481.72

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Solution

The fourth proportional to 1,977.44, 2,729.77 and 1,481.72 is: 2,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.44 : 2,729.77 = 1,481.72 : x
  2. Step 2: Convert to fraction form
    1,977.44/2,729.77 = 1,481.72/x
  3. Step 3: Cross multiply
    1,977.44x = 2,729.77 × 1,481.72
  4. Step 4: Simplify right side
    1,977.44x = 4,044,737.45
  5. Step 5: Solve for x
    x = 4,044,737.45/1,977.44
  6. Step 6: Final answer
    x = 2,045.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.