Home / 3,631.37-5,436.72-3,285.36

Finding the Fourth Proportional to 3,631.37, 5,436.72 and 3,285.36

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Solution

The fourth proportional to 3,631.37, 5,436.72 and 3,285.36 is: 4,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.37 : 5,436.72 = 3,285.36 : x
  2. Step 2: Convert to fraction form
    3,631.37/5,436.72 = 3,285.36/x
  3. Step 3: Cross multiply
    3,631.37x = 5,436.72 × 3,285.36
  4. Step 4: Simplify right side
    3,631.37x = 17,861,582.42
  5. Step 5: Solve for x
    x = 17,861,582.42/3,631.37
  6. Step 6: Final answer
    x = 4,918.70

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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.