Home / 3,623-5,435.45-1,157.87

Finding the Fourth Proportional to 3,623, 5,435.45 and 1,157.87

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Solution

The fourth proportional to 3,623, 5,435.45 and 1,157.87 is: 1,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623 : 5,435.45 = 1,157.87 : x
  2. Step 2: Convert to fraction form
    3,623/5,435.45 = 1,157.87/x
  3. Step 3: Cross multiply
    3,623x = 5,435.45 × 1,157.87
  4. Step 4: Simplify right side
    3,623x = 6,293,544.49
  5. Step 5: Solve for x
    x = 6,293,544.49/3,623
  6. Step 6: Final answer
    x = 1,737.11

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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.