Home / 2,259.96-3,390.24-699.60

Finding the Fourth Proportional to 2,259.96, 3,390.24 and 699.60

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Solution

The fourth proportional to 2,259.96, 3,390.24 and 699.60 is: 1,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.96 : 3,390.24 = 699.60 : x
  2. Step 2: Convert to fraction form
    2,259.96/3,390.24 = 699.60/x
  3. Step 3: Cross multiply
    2,259.96x = 3,390.24 × 699.60
  4. Step 4: Simplify right side
    2,259.96x = 2,371,811.90
  5. Step 5: Solve for x
    x = 2,371,811.90/2,259.96
  6. Step 6: Final answer
    x = 1,049.49

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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.