Home / 2,386.92-3,293.04-1,391.82

Finding the Fourth Proportional to 2,386.92, 3,293.04 and 1,391.82

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Solution

The fourth proportional to 2,386.92, 3,293.04 and 1,391.82 is: 1,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.92 : 3,293.04 = 1,391.82 : x
  2. Step 2: Convert to fraction form
    2,386.92/3,293.04 = 1,391.82/x
  3. Step 3: Cross multiply
    2,386.92x = 3,293.04 × 1,391.82
  4. Step 4: Simplify right side
    2,386.92x = 4,583,318.93
  5. Step 5: Solve for x
    x = 4,583,318.93/2,386.92
  6. Step 6: Final answer
    x = 1,920.18

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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.