Home / 3,821.85-5,730.30-1,602.23

Finding the Fourth Proportional to 3,821.85, 5,730.30 and 1,602.23

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Solution

The fourth proportional to 3,821.85, 5,730.30 and 1,602.23 is: 2,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.85 : 5,730.30 = 1,602.23 : x
  2. Step 2: Convert to fraction form
    3,821.85/5,730.30 = 1,602.23/x
  3. Step 3: Cross multiply
    3,821.85x = 5,730.30 × 1,602.23
  4. Step 4: Simplify right side
    3,821.85x = 9,181,229.92
  5. Step 5: Solve for x
    x = 9,181,229.92/3,821.85
  6. Step 6: Final answer
    x = 2,402.30

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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.