Home / 2,439.77-3,651.14-1,995.89

Finding the Fourth Proportional to 2,439.77, 3,651.14 and 1,995.89

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Solution

The fourth proportional to 2,439.77, 3,651.14 and 1,995.89 is: 2,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.77 : 3,651.14 = 1,995.89 : x
  2. Step 2: Convert to fraction form
    2,439.77/3,651.14 = 1,995.89/x
  3. Step 3: Cross multiply
    2,439.77x = 3,651.14 × 1,995.89
  4. Step 4: Simplify right side
    2,439.77x = 7,287,245.58
  5. Step 5: Solve for x
    x = 7,287,245.58/2,439.77
  6. Step 6: Final answer
    x = 2,986.86

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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.