Home / 3,162.11-4,740.59-1,186.64

Finding the Fourth Proportional to 3,162.11, 4,740.59 and 1,186.64

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Solution

The fourth proportional to 3,162.11, 4,740.59 and 1,186.64 is: 1,778.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.11 : 4,740.59 = 1,186.64 : x
  2. Step 2: Convert to fraction form
    3,162.11/4,740.59 = 1,186.64/x
  3. Step 3: Cross multiply
    3,162.11x = 4,740.59 × 1,186.64
  4. Step 4: Simplify right side
    3,162.11x = 5,625,352.98
  5. Step 5: Solve for x
    x = 5,625,352.98/3,162.11
  6. Step 6: Final answer
    x = 1,778.99

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1.5x scale

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.