Home / 3,231.14-4,458.72-1,904.67

Finding the Fourth Proportional to 3,231.14, 4,458.72 and 1,904.67

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Solution

The fourth proportional to 3,231.14, 4,458.72 and 1,904.67 is: 2,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.14 : 4,458.72 = 1,904.67 : x
  2. Step 2: Convert to fraction form
    3,231.14/4,458.72 = 1,904.67/x
  3. Step 3: Cross multiply
    3,231.14x = 4,458.72 × 1,904.67
  4. Step 4: Simplify right side
    3,231.14x = 8,492,390.22
  5. Step 5: Solve for x
    x = 8,492,390.22/3,231.14
  6. Step 6: Final answer
    x = 2,628.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.