Home / 3,623.65-5,438.19-1,677.22

Finding the Fourth Proportional to 3,623.65, 5,438.19 and 1,677.22

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Solution

The fourth proportional to 3,623.65, 5,438.19 and 1,677.22 is: 2,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.65 : 5,438.19 = 1,677.22 : x
  2. Step 2: Convert to fraction form
    3,623.65/5,438.19 = 1,677.22/x
  3. Step 3: Cross multiply
    3,623.65x = 5,438.19 × 1,677.22
  4. Step 4: Simplify right side
    3,623.65x = 9,121,041.03
  5. Step 5: Solve for x
    x = 9,121,041.03/3,623.65
  6. Step 6: Final answer
    x = 2,517.09

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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.