Home / 3,909.05-5,860.36-1,828.02

Finding the Fourth Proportional to 3,909.05, 5,860.36 and 1,828.02

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Solution

The fourth proportional to 3,909.05, 5,860.36 and 1,828.02 is: 2,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.05 : 5,860.36 = 1,828.02 : x
  2. Step 2: Convert to fraction form
    3,909.05/5,860.36 = 1,828.02/x
  3. Step 3: Cross multiply
    3,909.05x = 5,860.36 × 1,828.02
  4. Step 4: Simplify right side
    3,909.05x = 10,712,855.29
  5. Step 5: Solve for x
    x = 10,712,855.29/3,909.05
  6. Step 6: Final answer
    x = 2,740.53

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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.