Home / 3,716.58-5,129.64-2,144.46

Finding the Fourth Proportional to 3,716.58, 5,129.64 and 2,144.46

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Solution

The fourth proportional to 3,716.58, 5,129.64 and 2,144.46 is: 2,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.58 : 5,129.64 = 2,144.46 : x
  2. Step 2: Convert to fraction form
    3,716.58/5,129.64 = 2,144.46/x
  3. Step 3: Cross multiply
    3,716.58x = 5,129.64 × 2,144.46
  4. Step 4: Simplify right side
    3,716.58x = 11,000,307.79
  5. Step 5: Solve for x
    x = 11,000,307.79/3,716.58
  6. Step 6: Final answer
    x = 2,959.79

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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.