Home / 1,635.10-2,453.16-540.23

Finding the Fourth Proportional to 1,635.10, 2,453.16 and 540.23

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Solution

The fourth proportional to 1,635.10, 2,453.16 and 540.23 is: 810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.10 : 2,453.16 = 540.23 : x
  2. Step 2: Convert to fraction form
    1,635.10/2,453.16 = 540.23/x
  3. Step 3: Cross multiply
    1,635.10x = 2,453.16 × 540.23
  4. Step 4: Simplify right side
    1,635.10x = 1,325,279.57
  5. Step 5: Solve for x
    x = 1,325,279.57/1,635.10
  6. Step 6: Final answer
    x = 810.52

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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.