Home / 2,010.72-2,775.24-1,224.60

Finding the Fourth Proportional to 2,010.72, 2,775.24 and 1,224.60

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Solution

The fourth proportional to 2,010.72, 2,775.24 and 1,224.60 is: 1,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.72 : 2,775.24 = 1,224.60 : x
  2. Step 2: Convert to fraction form
    2,010.72/2,775.24 = 1,224.60/x
  3. Step 3: Cross multiply
    2,010.72x = 2,775.24 × 1,224.60
  4. Step 4: Simplify right side
    2,010.72x = 3,398,558.90
  5. Step 5: Solve for x
    x = 3,398,558.90/2,010.72
  6. Step 6: Final answer
    x = 1,690.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.