Home / 3,909.11-5,864.63-1,799.75

Finding the Fourth Proportional to 3,909.11, 5,864.63 and 1,799.75

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Solution

The fourth proportional to 3,909.11, 5,864.63 and 1,799.75 is: 2,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.11 : 5,864.63 = 1,799.75 : x
  2. Step 2: Convert to fraction form
    3,909.11/5,864.63 = 1,799.75/x
  3. Step 3: Cross multiply
    3,909.11x = 5,864.63 × 1,799.75
  4. Step 4: Simplify right side
    3,909.11x = 10,554,858.84
  5. Step 5: Solve for x
    x = 10,554,858.84/3,909.11
  6. Step 6: Final answer
    x = 2,700.07

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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.