Home / 3,654.20-5,042.76-2,256.68

Finding the Fourth Proportional to 3,654.20, 5,042.76 and 2,256.68

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Solution

The fourth proportional to 3,654.20, 5,042.76 and 2,256.68 is: 3,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.20 : 5,042.76 = 2,256.68 : x
  2. Step 2: Convert to fraction form
    3,654.20/5,042.76 = 2,256.68/x
  3. Step 3: Cross multiply
    3,654.20x = 5,042.76 × 2,256.68
  4. Step 4: Simplify right side
    3,654.20x = 11,379,895.64
  5. Step 5: Solve for x
    x = 11,379,895.64/3,654.20
  6. Step 6: Final answer
    x = 3,114.20

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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.