Home / 1,610.40-2,222.88-1,469.44

Finding the Fourth Proportional to 1,610.40, 2,222.88 and 1,469.44

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Solution

The fourth proportional to 1,610.40, 2,222.88 and 1,469.44 is: 2,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.40 : 2,222.88 = 1,469.44 : x
  2. Step 2: Convert to fraction form
    1,610.40/2,222.88 = 1,469.44/x
  3. Step 3: Cross multiply
    1,610.40x = 2,222.88 × 1,469.44
  4. Step 4: Simplify right side
    1,610.40x = 3,266,388.79
  5. Step 5: Solve for x
    x = 3,266,388.79/1,610.40
  6. Step 6: Final answer
    x = 2,028.31

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1.5x scale

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.