Home / 1,718.09-2,370.98-932.14

Finding the Fourth Proportional to 1,718.09, 2,370.98 and 932.14

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Solution

The fourth proportional to 1,718.09, 2,370.98 and 932.14 is: 1,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.09 : 2,370.98 = 932.14 : x
  2. Step 2: Convert to fraction form
    1,718.09/2,370.98 = 932.14/x
  3. Step 3: Cross multiply
    1,718.09x = 2,370.98 × 932.14
  4. Step 4: Simplify right side
    1,718.09x = 2,210,085.30
  5. Step 5: Solve for x
    x = 2,210,085.30/1,718.09
  6. Step 6: Final answer
    x = 1,286.36

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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.