Home / 3,513.14-4,848-1,941.20

Finding the Fourth Proportional to 3,513.14, 4,848 and 1,941.20

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Solution

The fourth proportional to 3,513.14, 4,848 and 1,941.20 is: 2,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.14 : 4,848 = 1,941.20 : x
  2. Step 2: Convert to fraction form
    3,513.14/4,848 = 1,941.20/x
  3. Step 3: Cross multiply
    3,513.14x = 4,848 × 1,941.20
  4. Step 4: Simplify right side
    3,513.14x = 9,410,937.60
  5. Step 5: Solve for x
    x = 9,410,937.60/3,513.14
  6. Step 6: Final answer
    x = 2,678.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.