Home / 2,003.28-2,989.74-1,951.44

Finding the Fourth Proportional to 2,003.28, 2,989.74 and 1,951.44

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Solution

The fourth proportional to 2,003.28, 2,989.74 and 1,951.44 is: 2,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.28 : 2,989.74 = 1,951.44 : x
  2. Step 2: Convert to fraction form
    2,003.28/2,989.74 = 1,951.44/x
  3. Step 3: Cross multiply
    2,003.28x = 2,989.74 × 1,951.44
  4. Step 4: Simplify right side
    2,003.28x = 5,834,298.23
  5. Step 5: Solve for x
    x = 5,834,298.23/2,003.28
  6. Step 6: Final answer
    x = 2,912.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.