Home / 2,499.92-3,450.10-1,381.08

Finding the Fourth Proportional to 2,499.92, 3,450.10 and 1,381.08

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Solution

The fourth proportional to 2,499.92, 3,450.10 and 1,381.08 is: 1,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.92 : 3,450.10 = 1,381.08 : x
  2. Step 2: Convert to fraction form
    2,499.92/3,450.10 = 1,381.08/x
  3. Step 3: Cross multiply
    2,499.92x = 3,450.10 × 1,381.08
  4. Step 4: Simplify right side
    2,499.92x = 4,764,864.11
  5. Step 5: Solve for x
    x = 4,764,864.11/2,499.92
  6. Step 6: Final answer
    x = 1,906.01

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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.