Home / 3,202.20-4,418.76-1,785.72

Finding the Fourth Proportional to 3,202.20, 4,418.76 and 1,785.72

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Solution

The fourth proportional to 3,202.20, 4,418.76 and 1,785.72 is: 2,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.20 : 4,418.76 = 1,785.72 : x
  2. Step 2: Convert to fraction form
    3,202.20/4,418.76 = 1,785.72/x
  3. Step 3: Cross multiply
    3,202.20x = 4,418.76 × 1,785.72
  4. Step 4: Simplify right side
    3,202.20x = 7,890,668.11
  5. Step 5: Solve for x
    x = 7,890,668.11/3,202.20
  6. Step 6: Final answer
    x = 2,464.14

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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.