Home / 3,622.68-5,435.10-1,157.85

Finding the Fourth Proportional to 3,622.68, 5,435.10 and 1,157.85

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Solution

The fourth proportional to 3,622.68, 5,435.10 and 1,157.85 is: 1,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.68 : 5,435.10 = 1,157.85 : x
  2. Step 2: Convert to fraction form
    3,622.68/5,435.10 = 1,157.85/x
  3. Step 3: Cross multiply
    3,622.68x = 5,435.10 × 1,157.85
  4. Step 4: Simplify right side
    3,622.68x = 6,293,030.54
  5. Step 5: Solve for x
    x = 6,293,030.54/3,622.68
  6. Step 6: Final answer
    x = 1,737.12

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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.