Home / 2,450.70-3,381.92-1,402.56

Finding the Fourth Proportional to 2,450.70, 3,381.92 and 1,402.56

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Solution

The fourth proportional to 2,450.70, 3,381.92 and 1,402.56 is: 1,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.70 : 3,381.92 = 1,402.56 : x
  2. Step 2: Convert to fraction form
    2,450.70/3,381.92 = 1,402.56/x
  3. Step 3: Cross multiply
    2,450.70x = 3,381.92 × 1,402.56
  4. Step 4: Simplify right side
    2,450.70x = 4,743,345.72
  5. Step 5: Solve for x
    x = 4,743,345.72/2,450.70
  6. Step 6: Final answer
    x = 1,935.51

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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.