Home / 3,657.15-5,487.26-1,465.34

Finding the Fourth Proportional to 3,657.15, 5,487.26 and 1,465.34

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Solution

The fourth proportional to 3,657.15, 5,487.26 and 1,465.34 is: 2,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.15 : 5,487.26 = 1,465.34 : x
  2. Step 2: Convert to fraction form
    3,657.15/5,487.26 = 1,465.34/x
  3. Step 3: Cross multiply
    3,657.15x = 5,487.26 × 1,465.34
  4. Step 4: Simplify right side
    3,657.15x = 8,040,666.81
  5. Step 5: Solve for x
    x = 8,040,666.81/3,657.15
  6. Step 6: Final answer
    x = 2,198.62

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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.