Home / 3,687.94-5,526.51-2,909.85

Finding the Fourth Proportional to 3,687.94, 5,526.51 and 2,909.85

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Solution

The fourth proportional to 3,687.94, 5,526.51 and 2,909.85 is: 4,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.94 : 5,526.51 = 2,909.85 : x
  2. Step 2: Convert to fraction form
    3,687.94/5,526.51 = 2,909.85/x
  3. Step 3: Cross multiply
    3,687.94x = 5,526.51 × 2,909.85
  4. Step 4: Simplify right side
    3,687.94x = 16,081,315.12
  5. Step 5: Solve for x
    x = 16,081,315.12/3,687.94
  6. Step 6: Final answer
    x = 4,360.51

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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.