Home / 3,076.16-4,613.96-1,320.62

Finding the Fourth Proportional to 3,076.16, 4,613.96 and 1,320.62

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Solution

The fourth proportional to 3,076.16, 4,613.96 and 1,320.62 is: 1,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.16 : 4,613.96 = 1,320.62 : x
  2. Step 2: Convert to fraction form
    3,076.16/4,613.96 = 1,320.62/x
  3. Step 3: Cross multiply
    3,076.16x = 4,613.96 × 1,320.62
  4. Step 4: Simplify right side
    3,076.16x = 6,093,287.86
  5. Step 5: Solve for x
    x = 6,093,287.86/3,076.16
  6. Step 6: Final answer
    x = 1,980.81

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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.