Home / 3,623.88-5,003.87-2,913.45

Finding the Fourth Proportional to 3,623.88, 5,003.87 and 2,913.45

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Solution

The fourth proportional to 3,623.88, 5,003.87 and 2,913.45 is: 4,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.88 : 5,003.87 = 2,913.45 : x
  2. Step 2: Convert to fraction form
    3,623.88/5,003.87 = 2,913.45/x
  3. Step 3: Cross multiply
    3,623.88x = 5,003.87 × 2,913.45
  4. Step 4: Simplify right side
    3,623.88x = 14,578,525.05
  5. Step 5: Solve for x
    x = 14,578,525.05/3,623.88
  6. Step 6: Final answer
    x = 4,022.91

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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.