Home / 3,357.88-5,039.00-1,277.90

Finding the Fourth Proportional to 3,357.88, 5,039.00 and 1,277.90

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Solution

The fourth proportional to 3,357.88, 5,039.00 and 1,277.90 is: 1,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.88 : 5,039.00 = 1,277.90 : x
  2. Step 2: Convert to fraction form
    3,357.88/5,039.00 = 1,277.90/x
  3. Step 3: Cross multiply
    3,357.88x = 5,039.00 × 1,277.90
  4. Step 4: Simplify right side
    3,357.88x = 6,439,337.39
  5. Step 5: Solve for x
    x = 6,439,337.39/3,357.88
  6. Step 6: Final answer
    x = 1,917.68

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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.