Home / 2,450.20-3,381.60-1,402.06

Finding the Fourth Proportional to 2,450.20, 3,381.60 and 1,402.06

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Solution

The fourth proportional to 2,450.20, 3,381.60 and 1,402.06 is: 1,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.20 : 3,381.60 = 1,402.06 : x
  2. Step 2: Convert to fraction form
    2,450.20/3,381.60 = 1,402.06/x
  3. Step 3: Cross multiply
    2,450.20x = 3,381.60 × 1,402.06
  4. Step 4: Simplify right side
    2,450.20x = 4,741,206.10
  5. Step 5: Solve for x
    x = 4,741,206.10/2,450.20
  6. Step 6: Final answer
    x = 1,935.03

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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.