Home / 3,860.84-5,789.96-1,263.17

Finding the Fourth Proportional to 3,860.84, 5,789.96 and 1,263.17

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Solution

The fourth proportional to 3,860.84, 5,789.96 and 1,263.17 is: 1,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.84 : 5,789.96 = 1,263.17 : x
  2. Step 2: Convert to fraction form
    3,860.84/5,789.96 = 1,263.17/x
  3. Step 3: Cross multiply
    3,860.84x = 5,789.96 × 1,263.17
  4. Step 4: Simplify right side
    3,860.84x = 7,313,697.46
  5. Step 5: Solve for x
    x = 7,313,697.46/3,860.84
  6. Step 6: Final answer
    x = 1,894.33

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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.