Home / 3,899.76-5,849.69-1,302.70

Finding the Fourth Proportional to 3,899.76, 5,849.69 and 1,302.70

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Solution

The fourth proportional to 3,899.76, 5,849.69 and 1,302.70 is: 1,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.76 : 5,849.69 = 1,302.70 : x
  2. Step 2: Convert to fraction form
    3,899.76/5,849.69 = 1,302.70/x
  3. Step 3: Cross multiply
    3,899.76x = 5,849.69 × 1,302.70
  4. Step 4: Simplify right side
    3,899.76x = 7,620,355.40
  5. Step 5: Solve for x
    x = 7,620,355.40/3,899.76
  6. Step 6: Final answer
    x = 1,954.06

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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.