Home / 1,635.27-2,453.34-539.94

Finding the Fourth Proportional to 1,635.27, 2,453.34 and 539.94

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Solution

The fourth proportional to 1,635.27, 2,453.34 and 539.94 is: 810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.27 : 2,453.34 = 539.94 : x
  2. Step 2: Convert to fraction form
    1,635.27/2,453.34 = 539.94/x
  3. Step 3: Cross multiply
    1,635.27x = 2,453.34 × 539.94
  4. Step 4: Simplify right side
    1,635.27x = 1,324,656.40
  5. Step 5: Solve for x
    x = 1,324,656.40/1,635.27
  6. Step 6: Final answer
    x = 810.05

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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.