Home / 1,336.11-2,004.98-514.46

Finding the Fourth Proportional to 1,336.11, 2,004.98 and 514.46

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Solution

The fourth proportional to 1,336.11, 2,004.98 and 514.46 is: 771.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.11 : 2,004.98 = 514.46 : x
  2. Step 2: Convert to fraction form
    1,336.11/2,004.98 = 514.46/x
  3. Step 3: Cross multiply
    1,336.11x = 2,004.98 × 514.46
  4. Step 4: Simplify right side
    1,336.11x = 1,031,469.41
  5. Step 5: Solve for x
    x = 1,031,469.41/1,336.11
  6. Step 6: Final answer
    x = 771.99

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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.