Home / 1,244.13-1,864.52-628.27

Finding the Fourth Proportional to 1,244.13, 1,864.52 and 628.27

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Solution

The fourth proportional to 1,244.13, 1,864.52 and 628.27 is: 941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.13 : 1,864.52 = 628.27 : x
  2. Step 2: Convert to fraction form
    1,244.13/1,864.52 = 628.27/x
  3. Step 3: Cross multiply
    1,244.13x = 1,864.52 × 628.27
  4. Step 4: Simplify right side
    1,244.13x = 1,171,427.02
  5. Step 5: Solve for x
    x = 1,171,427.02/1,244.13
  6. Step 6: Final answer
    x = 941.57

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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.