Home / 1,304.10-1,945.26-1,180.98

Finding the Fourth Proportional to 1,304.10, 1,945.26 and 1,180.98

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Solution

The fourth proportional to 1,304.10, 1,945.26 and 1,180.98 is: 1,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.10 : 1,945.26 = 1,180.98 : x
  2. Step 2: Convert to fraction form
    1,304.10/1,945.26 = 1,180.98/x
  3. Step 3: Cross multiply
    1,304.10x = 1,945.26 × 1,180.98
  4. Step 4: Simplify right side
    1,304.10x = 2,297,313.15
  5. Step 5: Solve for x
    x = 2,297,313.15/1,304.10
  6. Step 6: Final answer
    x = 1,761.61

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.