Home / 3,820.15-5,719.29-2,349.40

Finding the Fourth Proportional to 3,820.15, 5,719.29 and 2,349.40

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Solution

The fourth proportional to 3,820.15, 5,719.29 and 2,349.40 is: 3,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.15 : 5,719.29 = 2,349.40 : x
  2. Step 2: Convert to fraction form
    3,820.15/5,719.29 = 2,349.40/x
  3. Step 3: Cross multiply
    3,820.15x = 5,719.29 × 2,349.40
  4. Step 4: Simplify right side
    3,820.15x = 13,436,871.33
  5. Step 5: Solve for x
    x = 13,436,871.33/3,820.15
  6. Step 6: Final answer
    x = 3,517.37

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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.