Home / 3,723-5,147.34-3,559.80

Finding the Fourth Proportional to 3,723, 5,147.34 and 3,559.80

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Solution

The fourth proportional to 3,723, 5,147.34 and 3,559.80 is: 4,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723 : 5,147.34 = 3,559.80 : x
  2. Step 2: Convert to fraction form
    3,723/5,147.34 = 3,559.80/x
  3. Step 3: Cross multiply
    3,723x = 5,147.34 × 3,559.80
  4. Step 4: Simplify right side
    3,723x = 18,323,500.93
  5. Step 5: Solve for x
    x = 18,323,500.93/3,723
  6. Step 6: Final answer
    x = 4,921.70

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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.