Home / 1,930.49-2,664.08-1,046.28

Finding the Fourth Proportional to 1,930.49, 2,664.08 and 1,046.28

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Solution

The fourth proportional to 1,930.49, 2,664.08 and 1,046.28 is: 1,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.49 : 2,664.08 = 1,046.28 : x
  2. Step 2: Convert to fraction form
    1,930.49/2,664.08 = 1,046.28/x
  3. Step 3: Cross multiply
    1,930.49x = 2,664.08 × 1,046.28
  4. Step 4: Simplify right side
    1,930.49x = 2,787,373.62
  5. Step 5: Solve for x
    x = 2,787,373.62/1,930.49
  6. Step 6: Final answer
    x = 1,443.87

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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.