Home / 1,047.11-1,451.91-1,012.41

Finding the Fourth Proportional to 1,047.11, 1,451.91 and 1,012.41

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Solution

The fourth proportional to 1,047.11, 1,451.91 and 1,012.41 is: 1,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047.11 : 1,451.91 = 1,012.41 : x
  2. Step 2: Convert to fraction form
    1,047.11/1,451.91 = 1,012.41/x
  3. Step 3: Cross multiply
    1,047.11x = 1,451.91 × 1,012.41
  4. Step 4: Simplify right side
    1,047.11x = 1,469,928.20
  5. Step 5: Solve for x
    x = 1,469,928.20/1,047.11
  6. Step 6: Final answer
    x = 1,403.80

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.