Home / 2,541.42-3,811.50-1,080.41

Finding the Fourth Proportional to 2,541.42, 3,811.50 and 1,080.41

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Solution

The fourth proportional to 2,541.42, 3,811.50 and 1,080.41 is: 1,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.42 : 3,811.50 = 1,080.41 : x
  2. Step 2: Convert to fraction form
    2,541.42/3,811.50 = 1,080.41/x
  3. Step 3: Cross multiply
    2,541.42x = 3,811.50 × 1,080.41
  4. Step 4: Simplify right side
    2,541.42x = 4,117,963.66
  5. Step 5: Solve for x
    x = 4,117,963.66/2,541.42
  6. Step 6: Final answer
    x = 1,620.34

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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.