Home / 2,500.17-3,450.26-1,381.08

Finding the Fourth Proportional to 2,500.17, 3,450.26 and 1,381.08

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Solution

The fourth proportional to 2,500.17, 3,450.26 and 1,381.08 is: 1,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.17 : 3,450.26 = 1,381.08 : x
  2. Step 2: Convert to fraction form
    2,500.17/3,450.26 = 1,381.08/x
  3. Step 3: Cross multiply
    2,500.17x = 3,450.26 × 1,381.08
  4. Step 4: Simplify right side
    2,500.17x = 4,765,091.12
  5. Step 5: Solve for x
    x = 4,765,091.12/2,500.17
  6. Step 6: Final answer
    x = 1,905.91

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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.