Home / 3,186.24-4,780.04-1,106.31

Finding the Fourth Proportional to 3,186.24, 4,780.04 and 1,106.31

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Solution

The fourth proportional to 3,186.24, 4,780.04 and 1,106.31 is: 1,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.24 : 4,780.04 = 1,106.31 : x
  2. Step 2: Convert to fraction form
    3,186.24/4,780.04 = 1,106.31/x
  3. Step 3: Cross multiply
    3,186.24x = 4,780.04 × 1,106.31
  4. Step 4: Simplify right side
    3,186.24x = 5,288,206.05
  5. Step 5: Solve for x
    x = 5,288,206.05/3,186.24
  6. Step 6: Final answer
    x = 1,659.70

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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.