Home / 1,523.43-2,102.91-1,191.96

Finding the Fourth Proportional to 1,523.43, 2,102.91 and 1,191.96

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Solution

The fourth proportional to 1,523.43, 2,102.91 and 1,191.96 is: 1,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.43 : 2,102.91 = 1,191.96 : x
  2. Step 2: Convert to fraction form
    1,523.43/2,102.91 = 1,191.96/x
  3. Step 3: Cross multiply
    1,523.43x = 2,102.91 × 1,191.96
  4. Step 4: Simplify right side
    1,523.43x = 2,506,584.60
  5. Step 5: Solve for x
    x = 2,506,584.60/1,523.43
  6. Step 6: Final answer
    x = 1,645.36

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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.