Home / 3,076.90-4,613.72-1,343.50

Finding the Fourth Proportional to 3,076.90, 4,613.72 and 1,343.50

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Solution

The fourth proportional to 3,076.90, 4,613.72 and 1,343.50 is: 2,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.90 : 4,613.72 = 1,343.50 : x
  2. Step 2: Convert to fraction form
    3,076.90/4,613.72 = 1,343.50/x
  3. Step 3: Cross multiply
    3,076.90x = 4,613.72 × 1,343.50
  4. Step 4: Simplify right side
    3,076.90x = 6,198,532.82
  5. Step 5: Solve for x
    x = 6,198,532.82/3,076.90
  6. Step 6: Final answer
    x = 2,014.54

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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.