Home / 3,431.65-4,730.72-2,250.67

Finding the Fourth Proportional to 3,431.65, 4,730.72 and 2,250.67

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Solution

The fourth proportional to 3,431.65, 4,730.72 and 2,250.67 is: 3,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.65 : 4,730.72 = 2,250.67 : x
  2. Step 2: Convert to fraction form
    3,431.65/4,730.72 = 2,250.67/x
  3. Step 3: Cross multiply
    3,431.65x = 4,730.72 × 2,250.67
  4. Step 4: Simplify right side
    3,431.65x = 10,647,289.58
  5. Step 5: Solve for x
    x = 10,647,289.58/3,431.65
  6. Step 6: Final answer
    x = 3,102.67

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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.