Home / 4,000.00-5,519.99-2,231.50

Finding the Fourth Proportional to 4,000.00, 5,519.99 and 2,231.50

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Solution

The fourth proportional to 4,000.00, 5,519.99 and 2,231.50 is: 3,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.00 : 5,519.99 = 2,231.50 : x
  2. Step 2: Convert to fraction form
    4,000.00/5,519.99 = 2,231.50/x
  3. Step 3: Cross multiply
    4,000.00x = 5,519.99 × 2,231.50
  4. Step 4: Simplify right side
    4,000.00x = 12,317,818.93
  5. Step 5: Solve for x
    x = 12,317,818.93/4,000.00
  6. Step 6: Final answer
    x = 3,079.46

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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.