Home / 1,836.41-2,534.21-997.09

Finding the Fourth Proportional to 1,836.41, 2,534.21 and 997.09

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Solution

The fourth proportional to 1,836.41, 2,534.21 and 997.09 is: 1,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.41 : 2,534.21 = 997.09 : x
  2. Step 2: Convert to fraction form
    1,836.41/2,534.21 = 997.09/x
  3. Step 3: Cross multiply
    1,836.41x = 2,534.21 × 997.09
  4. Step 4: Simplify right side
    1,836.41x = 2,526,835.45
  5. Step 5: Solve for x
    x = 2,526,835.45/1,836.41
  6. Step 6: Final answer
    x = 1,375.96

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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.