Home / 3,614.12-5,422.80-3,604.40

Finding the Fourth Proportional to 3,614.12, 5,422.80 and 3,604.40

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Solution

The fourth proportional to 3,614.12, 5,422.80 and 3,604.40 is: 5,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.12 : 5,422.80 = 3,604.40 : x
  2. Step 2: Convert to fraction form
    3,614.12/5,422.80 = 3,604.40/x
  3. Step 3: Cross multiply
    3,614.12x = 5,422.80 × 3,604.40
  4. Step 4: Simplify right side
    3,614.12x = 19,545,940.32
  5. Step 5: Solve for x
    x = 19,545,940.32/3,614.12
  6. Step 6: Final answer
    x = 5,408.22

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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.