Home / 2,977.39-4,465.37-1,221.92

Finding the Fourth Proportional to 2,977.39, 4,465.37 and 1,221.92

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Solution

The fourth proportional to 2,977.39, 4,465.37 and 1,221.92 is: 1,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.39 : 4,465.37 = 1,221.92 : x
  2. Step 2: Convert to fraction form
    2,977.39/4,465.37 = 1,221.92/x
  3. Step 3: Cross multiply
    2,977.39x = 4,465.37 × 1,221.92
  4. Step 4: Simplify right side
    2,977.39x = 5,456,324.91
  5. Step 5: Solve for x
    x = 5,456,324.91/2,977.39
  6. Step 6: Final answer
    x = 1,832.59

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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.