Home / 3,519.48-5,277.60-1,571.70

Finding the Fourth Proportional to 3,519.48, 5,277.60 and 1,571.70

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Solution

The fourth proportional to 3,519.48, 5,277.60 and 1,571.70 is: 2,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.48 : 5,277.60 = 1,571.70 : x
  2. Step 2: Convert to fraction form
    3,519.48/5,277.60 = 1,571.70/x
  3. Step 3: Cross multiply
    3,519.48x = 5,277.60 × 1,571.70
  4. Step 4: Simplify right side
    3,519.48x = 8,294,803.92
  5. Step 5: Solve for x
    x = 8,294,803.92/3,519.48
  6. Step 6: Final answer
    x = 2,356.83

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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.