Home / 2,458.14-3,682.26-1,221.80

Finding the Fourth Proportional to 2,458.14, 3,682.26 and 1,221.80

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Solution

The fourth proportional to 2,458.14, 3,682.26 and 1,221.80 is: 1,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.14 : 3,682.26 = 1,221.80 : x
  2. Step 2: Convert to fraction form
    2,458.14/3,682.26 = 1,221.80/x
  3. Step 3: Cross multiply
    2,458.14x = 3,682.26 × 1,221.80
  4. Step 4: Simplify right side
    2,458.14x = 4,498,985.27
  5. Step 5: Solve for x
    x = 4,498,985.27/2,458.14
  6. Step 6: Final answer
    x = 1,830.24

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1.5x scale

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.