Home / 2,481.02-3,423.80-1,361.92

Finding the Fourth Proportional to 2,481.02, 3,423.80 and 1,361.92

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Solution

The fourth proportional to 2,481.02, 3,423.80 and 1,361.92 is: 1,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.02 : 3,423.80 = 1,361.92 : x
  2. Step 2: Convert to fraction form
    2,481.02/3,423.80 = 1,361.92/x
  3. Step 3: Cross multiply
    2,481.02x = 3,423.80 × 1,361.92
  4. Step 4: Simplify right side
    2,481.02x = 4,662,941.70
  5. Step 5: Solve for x
    x = 4,662,941.70/2,481.02
  6. Step 6: Final answer
    x = 1,879.45

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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.