Home / 2,955.26-4,049.30-2,911.52

Finding the Fourth Proportional to 2,955.26, 4,049.30 and 2,911.52

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Solution

The fourth proportional to 2,955.26, 4,049.30 and 2,911.52 is: 3,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.26 : 4,049.30 = 2,911.52 : x
  2. Step 2: Convert to fraction form
    2,955.26/4,049.30 = 2,911.52/x
  3. Step 3: Cross multiply
    2,955.26x = 4,049.30 × 2,911.52
  4. Step 4: Simplify right side
    2,955.26x = 11,789,583.13
  5. Step 5: Solve for x
    x = 11,789,583.13/2,955.26
  6. Step 6: Final answer
    x = 3,989.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.