Home / 2,259.60-3,387.08-797.75

Finding the Fourth Proportional to 2,259.60, 3,387.08 and 797.75

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Solution

The fourth proportional to 2,259.60, 3,387.08 and 797.75 is: 1,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.60 : 3,387.08 = 797.75 : x
  2. Step 2: Convert to fraction form
    2,259.60/3,387.08 = 797.75/x
  3. Step 3: Cross multiply
    2,259.60x = 3,387.08 × 797.75
  4. Step 4: Simplify right side
    2,259.60x = 2,702,040.83
  5. Step 5: Solve for x
    x = 2,702,040.83/2,259.60
  6. Step 6: Final answer
    x = 1,195.81

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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.