Home / 2,500.14-3,450.20-1,381.06

Finding the Fourth Proportional to 2,500.14, 3,450.20 and 1,381.06

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Solution

The fourth proportional to 2,500.14, 3,450.20 and 1,381.06 is: 1,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.14 : 3,450.20 = 1,381.06 : x
  2. Step 2: Convert to fraction form
    2,500.14/3,450.20 = 1,381.06/x
  3. Step 3: Cross multiply
    2,500.14x = 3,450.20 × 1,381.06
  4. Step 4: Simplify right side
    2,500.14x = 4,764,933.21
  5. Step 5: Solve for x
    x = 4,764,933.21/2,500.14
  6. Step 6: Final answer
    x = 1,905.87

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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.