Home / 1,497.12-2,245.32-727.44

Finding the Fourth Proportional to 1,497.12, 2,245.32 and 727.44

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Solution

The fourth proportional to 1,497.12, 2,245.32 and 727.44 is: 1,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.12 : 2,245.32 = 727.44 : x
  2. Step 2: Convert to fraction form
    1,497.12/2,245.32 = 727.44/x
  3. Step 3: Cross multiply
    1,497.12x = 2,245.32 × 727.44
  4. Step 4: Simplify right side
    1,497.12x = 1,633,335.58
  5. Step 5: Solve for x
    x = 1,633,335.58/1,497.12
  6. Step 6: Final answer
    x = 1,090.99

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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.