Home / 3,756.15-5,181.48-3,048.80

Finding the Fourth Proportional to 3,756.15, 5,181.48 and 3,048.80

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Solution

The fourth proportional to 3,756.15, 5,181.48 and 3,048.80 is: 4,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.15 : 5,181.48 = 3,048.80 : x
  2. Step 2: Convert to fraction form
    3,756.15/5,181.48 = 3,048.80/x
  3. Step 3: Cross multiply
    3,756.15x = 5,181.48 × 3,048.80
  4. Step 4: Simplify right side
    3,756.15x = 15,797,270.32
  5. Step 5: Solve for x
    x = 15,797,270.32/3,756.15
  6. Step 6: Final answer
    x = 4,205.71

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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.