Home / 3,106.11-4,652.96-1,872.84

Finding the Fourth Proportional to 3,106.11, 4,652.96 and 1,872.84

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Solution

The fourth proportional to 3,106.11, 4,652.96 and 1,872.84 is: 2,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.11 : 4,652.96 = 1,872.84 : x
  2. Step 2: Convert to fraction form
    3,106.11/4,652.96 = 1,872.84/x
  3. Step 3: Cross multiply
    3,106.11x = 4,652.96 × 1,872.84
  4. Step 4: Simplify right side
    3,106.11x = 8,714,240.24
  5. Step 5: Solve for x
    x = 8,714,240.24/3,106.11
  6. Step 6: Final answer
    x = 2,805.52

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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.