Home / 3,281.36-4,528.32-1,789.34

Finding the Fourth Proportional to 3,281.36, 4,528.32 and 1,789.34

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Solution

The fourth proportional to 3,281.36, 4,528.32 and 1,789.34 is: 2,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.36 : 4,528.32 = 1,789.34 : x
  2. Step 2: Convert to fraction form
    3,281.36/4,528.32 = 1,789.34/x
  3. Step 3: Cross multiply
    3,281.36x = 4,528.32 × 1,789.34
  4. Step 4: Simplify right side
    3,281.36x = 8,102,704.11
  5. Step 5: Solve for x
    x = 8,102,704.11/3,281.36
  6. Step 6: Final answer
    x = 2,469.31

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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.