Home / 1,930.36-2,663.88-1,046.17

Finding the Fourth Proportional to 1,930.36, 2,663.88 and 1,046.17

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Solution

The fourth proportional to 1,930.36, 2,663.88 and 1,046.17 is: 1,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.36 : 2,663.88 = 1,046.17 : x
  2. Step 2: Convert to fraction form
    1,930.36/2,663.88 = 1,046.17/x
  3. Step 3: Cross multiply
    1,930.36x = 2,663.88 × 1,046.17
  4. Step 4: Simplify right side
    1,930.36x = 2,786,871.34
  5. Step 5: Solve for x
    x = 2,786,871.34/1,930.36
  6. Step 6: Final answer
    x = 1,443.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.