Home / 3,490.03-4,817.19-1,998.73

Finding the Fourth Proportional to 3,490.03, 4,817.19 and 1,998.73

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Solution

The fourth proportional to 3,490.03, 4,817.19 and 1,998.73 is: 2,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.03 : 4,817.19 = 1,998.73 : x
  2. Step 2: Convert to fraction form
    3,490.03/4,817.19 = 1,998.73/x
  3. Step 3: Cross multiply
    3,490.03x = 4,817.19 × 1,998.73
  4. Step 4: Simplify right side
    3,490.03x = 9,628,262.17
  5. Step 5: Solve for x
    x = 9,628,262.17/3,490.03
  6. Step 6: Final answer
    x = 2,758.79

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,491.03, 4,818.57 and 1,999.73
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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.