Home / 3,899.10-5,851.21-1,433.94

Finding the Fourth Proportional to 3,899.10, 5,851.21 and 1,433.94

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Solution

The fourth proportional to 3,899.10, 5,851.21 and 1,433.94 is: 2,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.10 : 5,851.21 = 1,433.94 : x
  2. Step 2: Convert to fraction form
    3,899.10/5,851.21 = 1,433.94/x
  3. Step 3: Cross multiply
    3,899.10x = 5,851.21 × 1,433.94
  4. Step 4: Simplify right side
    3,899.10x = 8,390,284.07
  5. Step 5: Solve for x
    x = 8,390,284.07/3,899.10
  6. Step 6: Final answer
    x = 2,151.85

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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.