Home / 3,271.17-4,512.37-1,945.30

Finding the Fourth Proportional to 3,271.17, 4,512.37 and 1,945.30

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Solution

The fourth proportional to 3,271.17, 4,512.37 and 1,945.30 is: 2,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.17 : 4,512.37 = 1,945.30 : x
  2. Step 2: Convert to fraction form
    3,271.17/4,512.37 = 1,945.30/x
  3. Step 3: Cross multiply
    3,271.17x = 4,512.37 × 1,945.30
  4. Step 4: Simplify right side
    3,271.17x = 8,777,913.36
  5. Step 5: Solve for x
    x = 8,777,913.36/3,271.17
  6. Step 6: Final answer
    x = 2,683.42

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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.