Home / 2,321.38-3,202.99-1,376.70

Finding the Fourth Proportional to 2,321.38, 3,202.99 and 1,376.70

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Solution

The fourth proportional to 2,321.38, 3,202.99 and 1,376.70 is: 1,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.38 : 3,202.99 = 1,376.70 : x
  2. Step 2: Convert to fraction form
    2,321.38/3,202.99 = 1,376.70/x
  3. Step 3: Cross multiply
    2,321.38x = 3,202.99 × 1,376.70
  4. Step 4: Simplify right side
    2,321.38x = 4,409,548.62
  5. Step 5: Solve for x
    x = 4,409,548.62/2,321.38
  6. Step 6: Final answer
    x = 1,899.53

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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.