Home / 1,464.48-2,194.29-1,280.61

Finding the Fourth Proportional to 1,464.48, 2,194.29 and 1,280.61

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Solution

The fourth proportional to 1,464.48, 2,194.29 and 1,280.61 is: 1,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.48 : 2,194.29 = 1,280.61 : x
  2. Step 2: Convert to fraction form
    1,464.48/2,194.29 = 1,280.61/x
  3. Step 3: Cross multiply
    1,464.48x = 2,194.29 × 1,280.61
  4. Step 4: Simplify right side
    1,464.48x = 2,810,029.72
  5. Step 5: Solve for x
    x = 2,810,029.72/1,464.48
  6. Step 6: Final answer
    x = 1,918.79

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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.