Home / 3,890.07-5,835.29-1,698.75

Finding the Fourth Proportional to 3,890.07, 5,835.29 and 1,698.75

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Solution

The fourth proportional to 3,890.07, 5,835.29 and 1,698.75 is: 2,548.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.07 : 5,835.29 = 1,698.75 : x
  2. Step 2: Convert to fraction form
    3,890.07/5,835.29 = 1,698.75/x
  3. Step 3: Cross multiply
    3,890.07x = 5,835.29 × 1,698.75
  4. Step 4: Simplify right side
    3,890.07x = 9,912,690.39
  5. Step 5: Solve for x
    x = 9,912,690.39/3,890.07
  6. Step 6: Final answer
    x = 2,548.20

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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.