Home / 3,899.81-5,849.77-1,302.75

Finding the Fourth Proportional to 3,899.81, 5,849.77 and 1,302.75

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Solution

The fourth proportional to 3,899.81, 5,849.77 and 1,302.75 is: 1,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.81 : 5,849.77 = 1,302.75 : x
  2. Step 2: Convert to fraction form
    3,899.81/5,849.77 = 1,302.75/x
  3. Step 3: Cross multiply
    3,899.81x = 5,849.77 × 1,302.75
  4. Step 4: Simplify right side
    3,899.81x = 7,620,787.05
  5. Step 5: Solve for x
    x = 7,620,787.05/3,899.81
  6. Step 6: Final answer
    x = 1,954.14

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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.