Home / 1,236.10-1,853.46-506.18

Finding the Fourth Proportional to 1,236.10, 1,853.46 and 506.18

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Solution

The fourth proportional to 1,236.10, 1,853.46 and 506.18 is: 758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.10 : 1,853.46 = 506.18 : x
  2. Step 2: Convert to fraction form
    1,236.10/1,853.46 = 506.18/x
  3. Step 3: Cross multiply
    1,236.10x = 1,853.46 × 506.18
  4. Step 4: Simplify right side
    1,236.10x = 938,189.02
  5. Step 5: Solve for x
    x = 938,189.02/1,236.10
  6. Step 6: Final answer
    x = 758.99

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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.