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Finding the Fourth Proportional to 1,523.97, 2,103.03 and 860.92

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Solution

The fourth proportional to 1,523.97, 2,103.03 and 860.92 is: 1,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.97 : 2,103.03 = 860.92 : x
  2. Step 2: Convert to fraction form
    1,523.97/2,103.03 = 860.92/x
  3. Step 3: Cross multiply
    1,523.97x = 2,103.03 × 860.92
  4. Step 4: Simplify right side
    1,523.97x = 1,810,535.33
  5. Step 5: Solve for x
    x = 1,810,535.33/1,523.97
  6. Step 6: Final answer
    x = 1,188.04

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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.