Home / 2,438.48-3,649.22-1,994.60

Finding the Fourth Proportional to 2,438.48, 3,649.22 and 1,994.60

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Solution

The fourth proportional to 2,438.48, 3,649.22 and 1,994.60 is: 2,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.48 : 3,649.22 = 1,994.60 : x
  2. Step 2: Convert to fraction form
    2,438.48/3,649.22 = 1,994.60/x
  3. Step 3: Cross multiply
    2,438.48x = 3,649.22 × 1,994.60
  4. Step 4: Simplify right side
    2,438.48x = 7,278,724.24
  5. Step 5: Solve for x
    x = 7,278,724.24/2,438.48
  6. Step 6: Final answer
    x = 2,984.94

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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.