Home / 3,815.90-5,724.03-1,350.74

Finding the Fourth Proportional to 3,815.90, 5,724.03 and 1,350.74

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Solution

The fourth proportional to 3,815.90, 5,724.03 and 1,350.74 is: 2,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.90 : 5,724.03 = 1,350.74 : x
  2. Step 2: Convert to fraction form
    3,815.90/5,724.03 = 1,350.74/x
  3. Step 3: Cross multiply
    3,815.90x = 5,724.03 × 1,350.74
  4. Step 4: Simplify right side
    3,815.90x = 7,731,676.28
  5. Step 5: Solve for x
    x = 7,731,676.28/3,815.90
  6. Step 6: Final answer
    x = 2,026.17

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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.