Home / 1,449.19-2,173.94-524.54

Finding the Fourth Proportional to 1,449.19, 2,173.94 and 524.54

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Solution

The fourth proportional to 1,449.19, 2,173.94 and 524.54 is: 786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.19 : 2,173.94 = 524.54 : x
  2. Step 2: Convert to fraction form
    1,449.19/2,173.94 = 524.54/x
  3. Step 3: Cross multiply
    1,449.19x = 2,173.94 × 524.54
  4. Step 4: Simplify right side
    1,449.19x = 1,140,326.90
  5. Step 5: Solve for x
    x = 1,140,326.90/1,449.19
  6. Step 6: Final answer
    x = 786.87

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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.