Home / 2,427.16-3,348.96-1,378.96

Finding the Fourth Proportional to 2,427.16, 3,348.96 and 1,378.96

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Solution

The fourth proportional to 2,427.16, 3,348.96 and 1,378.96 is: 1,902.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.16 : 3,348.96 = 1,378.96 : x
  2. Step 2: Convert to fraction form
    2,427.16/3,348.96 = 1,378.96/x
  3. Step 3: Cross multiply
    2,427.16x = 3,348.96 × 1,378.96
  4. Step 4: Simplify right side
    2,427.16x = 4,618,081.88
  5. Step 5: Solve for x
    x = 4,618,081.88/2,427.16
  6. Step 6: Final answer
    x = 1,902.67

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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.