Home / 1,668.07-2,503.73-1,591.12

Finding the Fourth Proportional to 1,668.07, 2,503.73 and 1,591.12

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Solution

The fourth proportional to 1,668.07, 2,503.73 and 1,591.12 is: 2,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.07 : 2,503.73 = 1,591.12 : x
  2. Step 2: Convert to fraction form
    1,668.07/2,503.73 = 1,591.12/x
  3. Step 3: Cross multiply
    1,668.07x = 2,503.73 × 1,591.12
  4. Step 4: Simplify right side
    1,668.07x = 3,983,734.88
  5. Step 5: Solve for x
    x = 3,983,734.88/1,668.07
  6. Step 6: Final answer
    x = 2,388.23

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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.