Home / 2,604.99-3,909.31-1,145.17

Finding the Fourth Proportional to 2,604.99, 3,909.31 and 1,145.17

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Solution

The fourth proportional to 2,604.99, 3,909.31 and 1,145.17 is: 1,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604.99 : 3,909.31 = 1,145.17 : x
  2. Step 2: Convert to fraction form
    2,604.99/3,909.31 = 1,145.17/x
  3. Step 3: Cross multiply
    2,604.99x = 3,909.31 × 1,145.17
  4. Step 4: Simplify right side
    2,604.99x = 4,476,833.00
  5. Step 5: Solve for x
    x = 4,476,833.00/2,604.99
  6. Step 6: Final answer
    x = 1,718.56

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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.