Home / 2,911.37-4,367.01-1,984.62

Finding the Fourth Proportional to 2,911.37, 4,367.01 and 1,984.62

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Solution

The fourth proportional to 2,911.37, 4,367.01 and 1,984.62 is: 2,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.37 : 4,367.01 = 1,984.62 : x
  2. Step 2: Convert to fraction form
    2,911.37/4,367.01 = 1,984.62/x
  3. Step 3: Cross multiply
    2,911.37x = 4,367.01 × 1,984.62
  4. Step 4: Simplify right side
    2,911.37x = 8,666,855.39
  5. Step 5: Solve for x
    x = 8,666,855.39/2,911.37
  6. Step 6: Final answer
    x = 2,976.90

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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.