Home / 3,654.54-5,475.53-2,879.51

Finding the Fourth Proportional to 3,654.54, 5,475.53 and 2,879.51

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Solution

The fourth proportional to 3,654.54, 5,475.53 and 2,879.51 is: 4,314.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.54 : 5,475.53 = 2,879.51 : x
  2. Step 2: Convert to fraction form
    3,654.54/5,475.53 = 2,879.51/x
  3. Step 3: Cross multiply
    3,654.54x = 5,475.53 × 2,879.51
  4. Step 4: Simplify right side
    3,654.54x = 15,766,823.21
  5. Step 5: Solve for x
    x = 15,766,823.21/3,654.54
  6. Step 6: Final answer
    x = 4,314.31

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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.