Home / 3,657.28-5,485.08-1,435.96

Finding the Fourth Proportional to 3,657.28, 5,485.08 and 1,435.96

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Solution

The fourth proportional to 3,657.28, 5,485.08 and 1,435.96 is: 2,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.28 : 5,485.08 = 1,435.96 : x
  2. Step 2: Convert to fraction form
    3,657.28/5,485.08 = 1,435.96/x
  3. Step 3: Cross multiply
    3,657.28x = 5,485.08 × 1,435.96
  4. Step 4: Simplify right side
    3,657.28x = 7,876,355.48
  5. Step 5: Solve for x
    x = 7,876,355.48/3,657.28
  6. Step 6: Final answer
    x = 2,153.61

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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.