Home / 1,673.29-2,309.14-927.25

Finding the Fourth Proportional to 1,673.29, 2,309.14 and 927.25

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Solution

The fourth proportional to 1,673.29, 2,309.14 and 927.25 is: 1,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.29 : 2,309.14 = 927.25 : x
  2. Step 2: Convert to fraction form
    1,673.29/2,309.14 = 927.25/x
  3. Step 3: Cross multiply
    1,673.29x = 2,309.14 × 927.25
  4. Step 4: Simplify right side
    1,673.29x = 2,141,145.45
  5. Step 5: Solve for x
    x = 2,141,145.45/1,673.29
  6. Step 6: Final answer
    x = 1,279.60

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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.