Home / 2,654.38-3,970.52-2,457.56

Finding the Fourth Proportional to 2,654.38, 3,970.52 and 2,457.56

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Solution

The fourth proportional to 2,654.38, 3,970.52 and 2,457.56 is: 3,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.38 : 3,970.52 = 2,457.56 : x
  2. Step 2: Convert to fraction form
    2,654.38/3,970.52 = 2,457.56/x
  3. Step 3: Cross multiply
    2,654.38x = 3,970.52 × 2,457.56
  4. Step 4: Simplify right side
    2,654.38x = 9,757,791.13
  5. Step 5: Solve for x
    x = 9,757,791.13/2,654.38
  6. Step 6: Final answer
    x = 3,676.11

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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.