Home / 3,821.20-5,735.40-2,363.20

Finding the Fourth Proportional to 3,821.20, 5,735.40 and 2,363.20

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Solution

The fourth proportional to 3,821.20, 5,735.40 and 2,363.20 is: 3,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.20 : 5,735.40 = 2,363.20 : x
  2. Step 2: Convert to fraction form
    3,821.20/5,735.40 = 2,363.20/x
  3. Step 3: Cross multiply
    3,821.20x = 5,735.40 × 2,363.20
  4. Step 4: Simplify right side
    3,821.20x = 13,553,897.28
  5. Step 5: Solve for x
    x = 13,553,897.28/3,821.20
  6. Step 6: Final answer
    x = 3,547.03

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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.