Home / 1,669.29-2,302.21-1,250.62

Finding the Fourth Proportional to 1,669.29, 2,302.21 and 1,250.62

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Solution

The fourth proportional to 1,669.29, 2,302.21 and 1,250.62 is: 1,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.29 : 2,302.21 = 1,250.62 : x
  2. Step 2: Convert to fraction form
    1,669.29/2,302.21 = 1,250.62/x
  3. Step 3: Cross multiply
    1,669.29x = 2,302.21 × 1,250.62
  4. Step 4: Simplify right side
    1,669.29x = 2,879,189.87
  5. Step 5: Solve for x
    x = 2,879,189.87/1,669.29
  6. Step 6: Final answer
    x = 1,724.80

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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.