Home / 2,628.04-3,944.50-1,330.44

Finding the Fourth Proportional to 2,628.04, 3,944.50 and 1,330.44

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Solution

The fourth proportional to 2,628.04, 3,944.50 and 1,330.44 is: 1,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.04 : 3,944.50 = 1,330.44 : x
  2. Step 2: Convert to fraction form
    2,628.04/3,944.50 = 1,330.44/x
  3. Step 3: Cross multiply
    2,628.04x = 3,944.50 × 1,330.44
  4. Step 4: Simplify right side
    2,628.04x = 5,247,920.58
  5. Step 5: Solve for x
    x = 5,247,920.58/2,628.04
  6. Step 6: Final answer
    x = 1,996.90

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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.