Home / 3,395.40-4,687.92-2,216.04

Finding the Fourth Proportional to 3,395.40, 4,687.92 and 2,216.04

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Solution

The fourth proportional to 3,395.40, 4,687.92 and 2,216.04 is: 3,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.40 : 4,687.92 = 2,216.04 : x
  2. Step 2: Convert to fraction form
    3,395.40/4,687.92 = 2,216.04/x
  3. Step 3: Cross multiply
    3,395.40x = 4,687.92 × 2,216.04
  4. Step 4: Simplify right side
    3,395.40x = 10,388,618.24
  5. Step 5: Solve for x
    x = 10,388,618.24/3,395.40
  6. Step 6: Final answer
    x = 3,059.62

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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.