Home / 2,236.40-3,348.20-1,372.40

Finding the Fourth Proportional to 2,236.40, 3,348.20 and 1,372.40

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Solution

The fourth proportional to 2,236.40, 3,348.20 and 1,372.40 is: 2,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.40 : 3,348.20 = 1,372.40 : x
  2. Step 2: Convert to fraction form
    2,236.40/3,348.20 = 1,372.40/x
  3. Step 3: Cross multiply
    2,236.40x = 3,348.20 × 1,372.40
  4. Step 4: Simplify right side
    2,236.40x = 4,595,069.68
  5. Step 5: Solve for x
    x = 4,595,069.68/2,236.40
  6. Step 6: Final answer
    x = 2,054.67

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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.