Home / 3,285.69-4,528.89-2,289.24

Finding the Fourth Proportional to 3,285.69, 4,528.89 and 2,289.24

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Solution

The fourth proportional to 3,285.69, 4,528.89 and 2,289.24 is: 3,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.69 : 4,528.89 = 2,289.24 : x
  2. Step 2: Convert to fraction form
    3,285.69/4,528.89 = 2,289.24/x
  3. Step 3: Cross multiply
    3,285.69x = 4,528.89 × 2,289.24
  4. Step 4: Simplify right side
    3,285.69x = 10,367,716.14
  5. Step 5: Solve for x
    x = 10,367,716.14/3,285.69
  6. Step 6: Final answer
    x = 3,155.42

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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.