Home / 3,078.92-4,616.72-1,345.52

Finding the Fourth Proportional to 3,078.92, 4,616.72 and 1,345.52

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Solution

The fourth proportional to 3,078.92, 4,616.72 and 1,345.52 is: 2,017.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.92 : 4,616.72 = 1,345.52 : x
  2. Step 2: Convert to fraction form
    3,078.92/4,616.72 = 1,345.52/x
  3. Step 3: Cross multiply
    3,078.92x = 4,616.72 × 1,345.52
  4. Step 4: Simplify right side
    3,078.92x = 6,211,889.09
  5. Step 5: Solve for x
    x = 6,211,889.09/3,078.92
  6. Step 6: Final answer
    x = 2,017.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.