Home / 1,553.21-2,324.35-1,185.07

Finding the Fourth Proportional to 1,553.21, 2,324.35 and 1,185.07

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Solution

The fourth proportional to 1,553.21, 2,324.35 and 1,185.07 is: 1,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.21 : 2,324.35 = 1,185.07 : x
  2. Step 2: Convert to fraction form
    1,553.21/2,324.35 = 1,185.07/x
  3. Step 3: Cross multiply
    1,553.21x = 2,324.35 × 1,185.07
  4. Step 4: Simplify right side
    1,553.21x = 2,754,499.91
  5. Step 5: Solve for x
    x = 2,754,499.91/1,553.21
  6. Step 6: Final answer
    x = 1,773.42

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1.5x scale

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.