Home / 3,614.12-5,420.32-1,664.44

Finding the Fourth Proportional to 3,614.12, 5,420.32 and 1,664.44

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Solution

The fourth proportional to 3,614.12, 5,420.32 and 1,664.44 is: 2,496.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.12 : 5,420.32 = 1,664.44 : x
  2. Step 2: Convert to fraction form
    3,614.12/5,420.32 = 1,664.44/x
  3. Step 3: Cross multiply
    3,614.12x = 5,420.32 × 1,664.44
  4. Step 4: Simplify right side
    3,614.12x = 9,021,797.42
  5. Step 5: Solve for x
    x = 9,021,797.42/3,614.12
  6. Step 6: Final answer
    x = 2,496.26

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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.