Home / 3,320.17-4,576.80-2,729.68

Finding the Fourth Proportional to 3,320.17, 4,576.80 and 2,729.68

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Solution

The fourth proportional to 3,320.17, 4,576.80 and 2,729.68 is: 3,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.17 : 4,576.80 = 2,729.68 : x
  2. Step 2: Convert to fraction form
    3,320.17/4,576.80 = 2,729.68/x
  3. Step 3: Cross multiply
    3,320.17x = 4,576.80 × 2,729.68
  4. Step 4: Simplify right side
    3,320.17x = 12,493,199.42
  5. Step 5: Solve for x
    x = 12,493,199.42/3,320.17
  6. Step 6: Final answer
    x = 3,762.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.