Home / 2,412.86-3,620.40-1,673.60

Finding the Fourth Proportional to 2,412.86, 3,620.40 and 1,673.60

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Solution

The fourth proportional to 2,412.86, 3,620.40 and 1,673.60 is: 2,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.86 : 3,620.40 = 1,673.60 : x
  2. Step 2: Convert to fraction form
    2,412.86/3,620.40 = 1,673.60/x
  3. Step 3: Cross multiply
    2,412.86x = 3,620.40 × 1,673.60
  4. Step 4: Simplify right side
    2,412.86x = 6,059,101.44
  5. Step 5: Solve for x
    x = 6,059,101.44/2,412.86
  6. Step 6: Final answer
    x = 2,511.17

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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.