Home / 1,718.64-2,371.73-932.69

Finding the Fourth Proportional to 1,718.64, 2,371.73 and 932.69

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Solution

The fourth proportional to 1,718.64, 2,371.73 and 932.69 is: 1,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.64 : 2,371.73 = 932.69 : x
  2. Step 2: Convert to fraction form
    1,718.64/2,371.73 = 932.69/x
  3. Step 3: Cross multiply
    1,718.64x = 2,371.73 × 932.69
  4. Step 4: Simplify right side
    1,718.64x = 2,212,072.33
  5. Step 5: Solve for x
    x = 2,212,072.33/1,718.64
  6. Step 6: Final answer
    x = 1,287.11

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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.