Home / 1,738.46-2,607.66-422.22

Finding the Fourth Proportional to 1,738.46, 2,607.66 and 422.22

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Solution

The fourth proportional to 1,738.46, 2,607.66 and 422.22 is: 633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.46 : 2,607.66 = 422.22 : x
  2. Step 2: Convert to fraction form
    1,738.46/2,607.66 = 422.22/x
  3. Step 3: Cross multiply
    1,738.46x = 2,607.66 × 422.22
  4. Step 4: Simplify right side
    1,738.46x = 1,101,003.21
  5. Step 5: Solve for x
    x = 1,101,003.21/1,738.46
  6. Step 6: Final answer
    x = 633.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.