Home / 2,245.12-3,367.68-1,013.11

Finding the Fourth Proportional to 2,245.12, 3,367.68 and 1,013.11

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Solution

The fourth proportional to 2,245.12, 3,367.68 and 1,013.11 is: 1,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.12 : 3,367.68 = 1,013.11 : x
  2. Step 2: Convert to fraction form
    2,245.12/3,367.68 = 1,013.11/x
  3. Step 3: Cross multiply
    2,245.12x = 3,367.68 × 1,013.11
  4. Step 4: Simplify right side
    2,245.12x = 3,411,830.28
  5. Step 5: Solve for x
    x = 3,411,830.28/2,245.12
  6. Step 6: Final answer
    x = 1,519.67

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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.