Home / 3,207.66-4,811.98-1,127.92

Finding the Fourth Proportional to 3,207.66, 4,811.98 and 1,127.92

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Solution

The fourth proportional to 3,207.66, 4,811.98 and 1,127.92 is: 1,692.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.66 : 4,811.98 = 1,127.92 : x
  2. Step 2: Convert to fraction form
    3,207.66/4,811.98 = 1,127.92/x
  3. Step 3: Cross multiply
    3,207.66x = 4,811.98 × 1,127.92
  4. Step 4: Simplify right side
    3,207.66x = 5,427,528.48
  5. Step 5: Solve for x
    x = 5,427,528.48/3,207.66
  6. Step 6: Final answer
    x = 1,692.05

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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.