Home / 4,045.20-6,067.39-1,271.80

Finding the Fourth Proportional to 4,045.20, 6,067.39 and 1,271.80

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Solution

The fourth proportional to 4,045.20, 6,067.39 and 1,271.80 is: 1,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.20 : 6,067.39 = 1,271.80 : x
  2. Step 2: Convert to fraction form
    4,045.20/6,067.39 = 1,271.80/x
  3. Step 3: Cross multiply
    4,045.20x = 6,067.39 × 1,271.80
  4. Step 4: Simplify right side
    4,045.20x = 7,716,476.27
  5. Step 5: Solve for x
    x = 7,716,476.27/4,045.20
  6. Step 6: Final answer
    x = 1,907.56

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1.5x scale

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.