Home / 3,941.10-5,435.31-2,810.61

Finding the Fourth Proportional to 3,941.10, 5,435.31 and 2,810.61

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Solution

The fourth proportional to 3,941.10, 5,435.31 and 2,810.61 is: 3,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.10 : 5,435.31 = 2,810.61 : x
  2. Step 2: Convert to fraction form
    3,941.10/5,435.31 = 2,810.61/x
  3. Step 3: Cross multiply
    3,941.10x = 5,435.31 × 2,810.61
  4. Step 4: Simplify right side
    3,941.10x = 15,276,536.64
  5. Step 5: Solve for x
    x = 15,276,536.64/3,941.10
  6. Step 6: Final answer
    x = 3,876.21

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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.