Home / 3,283.56-4,921.20-2,871.72

Finding the Fourth Proportional to 3,283.56, 4,921.20 and 2,871.72

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Solution

The fourth proportional to 3,283.56, 4,921.20 and 2,871.72 is: 4,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.56 : 4,921.20 = 2,871.72 : x
  2. Step 2: Convert to fraction form
    3,283.56/4,921.20 = 2,871.72/x
  3. Step 3: Cross multiply
    3,283.56x = 4,921.20 × 2,871.72
  4. Step 4: Simplify right side
    3,283.56x = 14,132,308.46
  5. Step 5: Solve for x
    x = 14,132,308.46/3,283.56
  6. Step 6: Final answer
    x = 4,303.96

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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.