Home / 2,259.90-3,382.76-1,257.83

Finding the Fourth Proportional to 2,259.90, 3,382.76 and 1,257.83

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Solution

The fourth proportional to 2,259.90, 3,382.76 and 1,257.83 is: 1,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.90 : 3,382.76 = 1,257.83 : x
  2. Step 2: Convert to fraction form
    2,259.90/3,382.76 = 1,257.83/x
  3. Step 3: Cross multiply
    2,259.90x = 3,382.76 × 1,257.83
  4. Step 4: Simplify right side
    2,259.90x = 4,254,935.93
  5. Step 5: Solve for x
    x = 4,254,935.93/2,259.90
  6. Step 6: Final answer
    x = 1,882.80

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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.