Home / 3,623.90-5,435.32-1,158.39

Finding the Fourth Proportional to 3,623.90, 5,435.32 and 1,158.39

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Solution

The fourth proportional to 3,623.90, 5,435.32 and 1,158.39 is: 1,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.90 : 5,435.32 = 1,158.39 : x
  2. Step 2: Convert to fraction form
    3,623.90/5,435.32 = 1,158.39/x
  3. Step 3: Cross multiply
    3,623.90x = 5,435.32 × 1,158.39
  4. Step 4: Simplify right side
    3,623.90x = 6,296,220.33
  5. Step 5: Solve for x
    x = 6,296,220.33/3,623.90
  6. Step 6: Final answer
    x = 1,737.42

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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.