Home / 2,790.58-4,184.88-2,008.23

Finding the Fourth Proportional to 2,790.58, 4,184.88 and 2,008.23

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Solution

The fourth proportional to 2,790.58, 4,184.88 and 2,008.23 is: 3,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.58 : 4,184.88 = 2,008.23 : x
  2. Step 2: Convert to fraction form
    2,790.58/4,184.88 = 2,008.23/x
  3. Step 3: Cross multiply
    2,790.58x = 4,184.88 × 2,008.23
  4. Step 4: Simplify right side
    2,790.58x = 8,404,201.56
  5. Step 5: Solve for x
    x = 8,404,201.56/2,790.58
  6. Step 6: Final answer
    x = 3,011.63

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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.