Home / 3,555.06-5,321.94-2,565.65

Finding the Fourth Proportional to 3,555.06, 5,321.94 and 2,565.65

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Solution

The fourth proportional to 3,555.06, 5,321.94 and 2,565.65 is: 3,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.06 : 5,321.94 = 2,565.65 : x
  2. Step 2: Convert to fraction form
    3,555.06/5,321.94 = 2,565.65/x
  3. Step 3: Cross multiply
    3,555.06x = 5,321.94 × 2,565.65
  4. Step 4: Simplify right side
    3,555.06x = 13,654,208.75
  5. Step 5: Solve for x
    x = 13,654,208.75/3,555.06
  6. Step 6: Final answer
    x = 3,840.78

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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.