Home / 3,654.72-5,045.96-2,813.94

Finding the Fourth Proportional to 3,654.72, 5,045.96 and 2,813.94

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Solution

The fourth proportional to 3,654.72, 5,045.96 and 2,813.94 is: 3,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.72 : 5,045.96 = 2,813.94 : x
  2. Step 2: Convert to fraction form
    3,654.72/5,045.96 = 2,813.94/x
  3. Step 3: Cross multiply
    3,654.72x = 5,045.96 × 2,813.94
  4. Step 4: Simplify right side
    3,654.72x = 14,199,028.68
  5. Step 5: Solve for x
    x = 14,199,028.68/3,654.72
  6. Step 6: Final answer
    x = 3,885.12

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1.5x scale

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.