Home / 1,884.20-2,823.52-1,778.89

Finding the Fourth Proportional to 1,884.20, 2,823.52 and 1,778.89

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Solution

The fourth proportional to 1,884.20, 2,823.52 and 1,778.89 is: 2,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.20 : 2,823.52 = 1,778.89 : x
  2. Step 2: Convert to fraction form
    1,884.20/2,823.52 = 1,778.89/x
  3. Step 3: Cross multiply
    1,884.20x = 2,823.52 × 1,778.89
  4. Step 4: Simplify right side
    1,884.20x = 5,022,731.49
  5. Step 5: Solve for x
    x = 5,022,731.49/1,884.20
  6. Step 6: Final answer
    x = 2,665.71

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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.