Home / 3,076.08-4,613.66-1,320.71

Finding the Fourth Proportional to 3,076.08, 4,613.66 and 1,320.71

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Solution

The fourth proportional to 3,076.08, 4,613.66 and 1,320.71 is: 1,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.08 : 4,613.66 = 1,320.71 : x
  2. Step 2: Convert to fraction form
    3,076.08/4,613.66 = 1,320.71/x
  3. Step 3: Cross multiply
    3,076.08x = 4,613.66 × 1,320.71
  4. Step 4: Simplify right side
    3,076.08x = 6,093,282.18
  5. Step 5: Solve for x
    x = 6,093,282.18/3,076.08
  6. Step 6: Final answer
    x = 1,980.86

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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.