Home / 3,206.88-4,803.30-1,905.48

Finding the Fourth Proportional to 3,206.88, 4,803.30 and 1,905.48

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Solution

The fourth proportional to 3,206.88, 4,803.30 and 1,905.48 is: 2,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.88 : 4,803.30 = 1,905.48 : x
  2. Step 2: Convert to fraction form
    3,206.88/4,803.30 = 1,905.48/x
  3. Step 3: Cross multiply
    3,206.88x = 4,803.30 × 1,905.48
  4. Step 4: Simplify right side
    3,206.88x = 9,152,592.08
  5. Step 5: Solve for x
    x = 9,152,592.08/3,206.88
  6. Step 6: Final answer
    x = 2,854.05

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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.