Home / 3,830.40-5,741.82-1,885.32

Finding the Fourth Proportional to 3,830.40, 5,741.82 and 1,885.32

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Solution

The fourth proportional to 3,830.40, 5,741.82 and 1,885.32 is: 2,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.40 : 5,741.82 = 1,885.32 : x
  2. Step 2: Convert to fraction form
    3,830.40/5,741.82 = 1,885.32/x
  3. Step 3: Cross multiply
    3,830.40x = 5,741.82 × 1,885.32
  4. Step 4: Simplify right side
    3,830.40x = 10,825,168.08
  5. Step 5: Solve for x
    x = 10,825,168.08/3,830.40
  6. Step 6: Final answer
    x = 2,826.12

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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.