Home / 4,000.37-5,519.81-2,321.39

Finding the Fourth Proportional to 4,000.37, 5,519.81 and 2,321.39

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Solution

The fourth proportional to 4,000.37, 5,519.81 and 2,321.39 is: 3,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.37 : 5,519.81 = 2,321.39 : x
  2. Step 2: Convert to fraction form
    4,000.37/5,519.81 = 2,321.39/x
  3. Step 3: Cross multiply
    4,000.37x = 5,519.81 × 2,321.39
  4. Step 4: Simplify right side
    4,000.37x = 12,813,651.34
  5. Step 5: Solve for x
    x = 12,813,651.34/4,000.37
  6. Step 6: Final answer
    x = 3,203.12

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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.