Home / 1,610.88-2,416.06-1,338.72

Finding the Fourth Proportional to 1,610.88, 2,416.06 and 1,338.72

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Solution

The fourth proportional to 1,610.88, 2,416.06 and 1,338.72 is: 2,007.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.88 : 2,416.06 = 1,338.72 : x
  2. Step 2: Convert to fraction form
    1,610.88/2,416.06 = 1,338.72/x
  3. Step 3: Cross multiply
    1,610.88x = 2,416.06 × 1,338.72
  4. Step 4: Simplify right side
    1,610.88x = 3,234,427.84
  5. Step 5: Solve for x
    x = 3,234,427.84/1,610.88
  6. Step 6: Final answer
    x = 2,007.86

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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.