Home / 3,921.76-5,877.36-2,359.84

Finding the Fourth Proportional to 3,921.76, 5,877.36 and 2,359.84

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Solution

The fourth proportional to 3,921.76, 5,877.36 and 2,359.84 is: 3,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.76 : 5,877.36 = 2,359.84 : x
  2. Step 2: Convert to fraction form
    3,921.76/5,877.36 = 2,359.84/x
  3. Step 3: Cross multiply
    3,921.76x = 5,877.36 × 2,359.84
  4. Step 4: Simplify right side
    3,921.76x = 13,869,629.22
  5. Step 5: Solve for x
    x = 13,869,629.22/3,921.76
  6. Step 6: Final answer
    x = 3,536.58

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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.