Home / 3,107.22-4,654.56-1,542.51

Finding the Fourth Proportional to 3,107.22, 4,654.56 and 1,542.51

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Solution

The fourth proportional to 3,107.22, 4,654.56 and 1,542.51 is: 2,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.22 : 4,654.56 = 1,542.51 : x
  2. Step 2: Convert to fraction form
    3,107.22/4,654.56 = 1,542.51/x
  3. Step 3: Cross multiply
    3,107.22x = 4,654.56 × 1,542.51
  4. Step 4: Simplify right side
    3,107.22x = 7,179,705.35
  5. Step 5: Solve for x
    x = 7,179,705.35/3,107.22
  6. Step 6: Final answer
    x = 2,310.65

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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.