Home / 2,783.45-4,191.58-2,008.91

Finding the Fourth Proportional to 2,783.45, 4,191.58 and 2,008.91

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Solution

The fourth proportional to 2,783.45, 4,191.58 and 2,008.91 is: 3,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.45 : 4,191.58 = 2,008.91 : x
  2. Step 2: Convert to fraction form
    2,783.45/4,191.58 = 2,008.91/x
  3. Step 3: Cross multiply
    2,783.45x = 4,191.58 × 2,008.91
  4. Step 4: Simplify right side
    2,783.45x = 8,420,519.97
  5. Step 5: Solve for x
    x = 8,420,519.97/2,783.45
  6. Step 6: Final answer
    x = 3,025.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.