Home / 1,146.14-1,719.09-452.42

Finding the Fourth Proportional to 1,146.14, 1,719.09 and 452.42

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Solution

The fourth proportional to 1,146.14, 1,719.09 and 452.42 is: 678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.14 : 1,719.09 = 452.42 : x
  2. Step 2: Convert to fraction form
    1,146.14/1,719.09 = 452.42/x
  3. Step 3: Cross multiply
    1,146.14x = 1,719.09 × 452.42
  4. Step 4: Simplify right side
    1,146.14x = 777,750.70
  5. Step 5: Solve for x
    x = 777,750.70/1,146.14
  6. Step 6: Final answer
    x = 678.58

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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.