Home / 3,076.16-4,613.67-1,321.47

Finding the Fourth Proportional to 3,076.16, 4,613.67 and 1,321.47

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Solution

The fourth proportional to 3,076.16, 4,613.67 and 1,321.47 is: 1,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.16 : 4,613.67 = 1,321.47 : x
  2. Step 2: Convert to fraction form
    3,076.16/4,613.67 = 1,321.47/x
  3. Step 3: Cross multiply
    3,076.16x = 4,613.67 × 1,321.47
  4. Step 4: Simplify right side
    3,076.16x = 6,096,826.49
  5. Step 5: Solve for x
    x = 6,096,826.49/3,076.16
  6. Step 6: Final answer
    x = 1,981.96

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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.