Home / 3,891.24-5,833.98-1,293.48

Finding the Fourth Proportional to 3,891.24, 5,833.98 and 1,293.48

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Solution

The fourth proportional to 3,891.24, 5,833.98 and 1,293.48 is: 1,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.24 : 5,833.98 = 1,293.48 : x
  2. Step 2: Convert to fraction form
    3,891.24/5,833.98 = 1,293.48/x
  3. Step 3: Cross multiply
    3,891.24x = 5,833.98 × 1,293.48
  4. Step 4: Simplify right side
    3,891.24x = 7,546,136.45
  5. Step 5: Solve for x
    x = 7,546,136.45/3,891.24
  6. Step 6: Final answer
    x = 1,939.26

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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.