Home / 3,895.69-5,841.30-1,431.28

Finding the Fourth Proportional to 3,895.69, 5,841.30 and 1,431.28

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Solution

The fourth proportional to 3,895.69, 5,841.30 and 1,431.28 is: 2,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.69 : 5,841.30 = 1,431.28 : x
  2. Step 2: Convert to fraction form
    3,895.69/5,841.30 = 1,431.28/x
  3. Step 3: Cross multiply
    3,895.69x = 5,841.30 × 1,431.28
  4. Step 4: Simplify right side
    3,895.69x = 8,360,535.86
  5. Step 5: Solve for x
    x = 8,360,535.86/3,895.69
  6. Step 6: Final answer
    x = 2,146.10

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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.