Home / 3,622.88-5,002.49-2,912.45

Finding the Fourth Proportional to 3,622.88, 5,002.49 and 2,912.45

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Solution

The fourth proportional to 3,622.88, 5,002.49 and 2,912.45 is: 4,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.88 : 5,002.49 = 2,912.45 : x
  2. Step 2: Convert to fraction form
    3,622.88/5,002.49 = 2,912.45/x
  3. Step 3: Cross multiply
    3,622.88x = 5,002.49 × 2,912.45
  4. Step 4: Simplify right side
    3,622.88x = 14,569,462.43
  5. Step 5: Solve for x
    x = 14,569,462.43/3,622.88
  6. Step 6: Final answer
    x = 4,021.52

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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.