Home / 1,654.31-2,481.47-1,009.14

Finding the Fourth Proportional to 1,654.31, 2,481.47 and 1,009.14

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Solution

The fourth proportional to 1,654.31, 2,481.47 and 1,009.14 is: 1,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.31 : 2,481.47 = 1,009.14 : x
  2. Step 2: Convert to fraction form
    1,654.31/2,481.47 = 1,009.14/x
  3. Step 3: Cross multiply
    1,654.31x = 2,481.47 × 1,009.14
  4. Step 4: Simplify right side
    1,654.31x = 2,504,145.59
  5. Step 5: Solve for x
    x = 2,504,145.59/1,654.31
  6. Step 6: Final answer
    x = 1,513.71

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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.