Home / 1,930.87-2,664.59-1,046.65

Finding the Fourth Proportional to 1,930.87, 2,664.59 and 1,046.65

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Solution

The fourth proportional to 1,930.87, 2,664.59 and 1,046.65 is: 1,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.87 : 2,664.59 = 1,046.65 : x
  2. Step 2: Convert to fraction form
    1,930.87/2,664.59 = 1,046.65/x
  3. Step 3: Cross multiply
    1,930.87x = 2,664.59 × 1,046.65
  4. Step 4: Simplify right side
    1,930.87x = 2,788,893.12
  5. Step 5: Solve for x
    x = 2,788,893.12/1,930.87
  6. Step 6: Final answer
    x = 1,444.37

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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.