Home / 3,286.57-4,530.49-2,490.14

Finding the Fourth Proportional to 3,286.57, 4,530.49 and 2,490.14

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Solution

The fourth proportional to 3,286.57, 4,530.49 and 2,490.14 is: 3,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.57 : 4,530.49 = 2,490.14 : x
  2. Step 2: Convert to fraction form
    3,286.57/4,530.49 = 2,490.14/x
  3. Step 3: Cross multiply
    3,286.57x = 4,530.49 × 2,490.14
  4. Step 4: Simplify right side
    3,286.57x = 11,281,554.37
  5. Step 5: Solve for x
    x = 11,281,554.37/3,286.57
  6. Step 6: Final answer
    x = 3,432.62

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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.