Home / 3,723.66-5,125.77-3,219.27

Finding the Fourth Proportional to 3,723.66, 5,125.77 and 3,219.27

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Solution

The fourth proportional to 3,723.66, 5,125.77 and 3,219.27 is: 4,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.66 : 5,125.77 = 3,219.27 : x
  2. Step 2: Convert to fraction form
    3,723.66/5,125.77 = 3,219.27/x
  3. Step 3: Cross multiply
    3,723.66x = 5,125.77 × 3,219.27
  4. Step 4: Simplify right side
    3,723.66x = 16,501,237.59
  5. Step 5: Solve for x
    x = 16,501,237.59/3,723.66
  6. Step 6: Final answer
    x = 4,431.46

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1.5x scale

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.