Home / 3,206.56-4,429.20-2,914.72

Finding the Fourth Proportional to 3,206.56, 4,429.20 and 2,914.72

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Solution

The fourth proportional to 3,206.56, 4,429.20 and 2,914.72 is: 4,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.56 : 4,429.20 = 2,914.72 : x
  2. Step 2: Convert to fraction form
    3,206.56/4,429.20 = 2,914.72/x
  3. Step 3: Cross multiply
    3,206.56x = 4,429.20 × 2,914.72
  4. Step 4: Simplify right side
    3,206.56x = 12,909,877.82
  5. Step 5: Solve for x
    x = 12,909,877.82/3,206.56
  6. Step 6: Final answer
    x = 4,026.08

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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.