Home / 1,630.36-2,246.94-1,334.68

Finding the Fourth Proportional to 1,630.36, 2,246.94 and 1,334.68

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Solution

The fourth proportional to 1,630.36, 2,246.94 and 1,334.68 is: 1,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.36 : 2,246.94 = 1,334.68 : x
  2. Step 2: Convert to fraction form
    1,630.36/2,246.94 = 1,334.68/x
  3. Step 3: Cross multiply
    1,630.36x = 2,246.94 × 1,334.68
  4. Step 4: Simplify right side
    1,630.36x = 2,998,945.88
  5. Step 5: Solve for x
    x = 2,998,945.88/1,630.36
  6. Step 6: Final answer
    x = 1,839.44

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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.