Home / 3,281.65-4,528.71-1,789.56

Finding the Fourth Proportional to 3,281.65, 4,528.71 and 1,789.56

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Solution

The fourth proportional to 3,281.65, 4,528.71 and 1,789.56 is: 2,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.65 : 4,528.71 = 1,789.56 : x
  2. Step 2: Convert to fraction form
    3,281.65/4,528.71 = 1,789.56/x
  3. Step 3: Cross multiply
    3,281.65x = 4,528.71 × 1,789.56
  4. Step 4: Simplify right side
    3,281.65x = 8,104,398.27
  5. Step 5: Solve for x
    x = 8,104,398.27/3,281.65
  6. Step 6: Final answer
    x = 2,469.61

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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.