Home / 3,943.86-5,442.88-2,750.58

Finding the Fourth Proportional to 3,943.86, 5,442.88 and 2,750.58

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Solution

The fourth proportional to 3,943.86, 5,442.88 and 2,750.58 is: 3,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.86 : 5,442.88 = 2,750.58 : x
  2. Step 2: Convert to fraction form
    3,943.86/5,442.88 = 2,750.58/x
  3. Step 3: Cross multiply
    3,943.86x = 5,442.88 × 2,750.58
  4. Step 4: Simplify right side
    3,943.86x = 14,971,070.14
  5. Step 5: Solve for x
    x = 14,971,070.14/3,943.86
  6. Step 6: Final answer
    x = 3,796.05

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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.