Home / 3,520.87-5,277.27-1,669.36

Finding the Fourth Proportional to 3,520.87, 5,277.27 and 1,669.36

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Solution

The fourth proportional to 3,520.87, 5,277.27 and 1,669.36 is: 2,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.87 : 5,277.27 = 1,669.36 : x
  2. Step 2: Convert to fraction form
    3,520.87/5,277.27 = 1,669.36/x
  3. Step 3: Cross multiply
    3,520.87x = 5,277.27 × 1,669.36
  4. Step 4: Simplify right side
    3,520.87x = 8,809,663.45
  5. Step 5: Solve for x
    x = 8,809,663.45/3,520.87
  6. Step 6: Final answer
    x = 2,502.13

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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.