Home / 3,890.30-5,835.49-1,700.57

Finding the Fourth Proportional to 3,890.30, 5,835.49 and 1,700.57

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Solution

The fourth proportional to 3,890.30, 5,835.49 and 1,700.57 is: 2,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.30 : 5,835.49 = 1,700.57 : x
  2. Step 2: Convert to fraction form
    3,890.30/5,835.49 = 1,700.57/x
  3. Step 3: Cross multiply
    3,890.30x = 5,835.49 × 1,700.57
  4. Step 4: Simplify right side
    3,890.30x = 9,923,669.57
  5. Step 5: Solve for x
    x = 9,923,669.57/3,890.30
  6. Step 6: Final answer
    x = 2,550.88

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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.