Home / 3,490.09-4,815.23-1,997.73

Finding the Fourth Proportional to 3,490.09, 4,815.23 and 1,997.73

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Solution

The fourth proportional to 3,490.09, 4,815.23 and 1,997.73 is: 2,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.09 : 4,815.23 = 1,997.73 : x
  2. Step 2: Convert to fraction form
    3,490.09/4,815.23 = 1,997.73/x
  3. Step 3: Cross multiply
    3,490.09x = 4,815.23 × 1,997.73
  4. Step 4: Simplify right side
    3,490.09x = 9,619,518.79
  5. Step 5: Solve for x
    x = 9,619,518.79/3,490.09
  6. Step 6: Final answer
    x = 2,756.24

Related Problems

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.