Home / 2,654.14-3,983.24-1,339.21

Finding the Fourth Proportional to 2,654.14, 3,983.24 and 1,339.21

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Solution

The fourth proportional to 2,654.14, 3,983.24 and 1,339.21 is: 2,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.14 : 3,983.24 = 1,339.21 : x
  2. Step 2: Convert to fraction form
    2,654.14/3,983.24 = 1,339.21/x
  3. Step 3: Cross multiply
    2,654.14x = 3,983.24 × 1,339.21
  4. Step 4: Simplify right side
    2,654.14x = 5,334,394.84
  5. Step 5: Solve for x
    x = 5,334,394.84/2,654.14
  6. Step 6: Final answer
    x = 2,009.84

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1.5x scale

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.