Home / 3,325.05-4,588.45-1,998.88

Finding the Fourth Proportional to 3,325.05, 4,588.45 and 1,998.88

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Solution

The fourth proportional to 3,325.05, 4,588.45 and 1,998.88 is: 2,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.05 : 4,588.45 = 1,998.88 : x
  2. Step 2: Convert to fraction form
    3,325.05/4,588.45 = 1,998.88/x
  3. Step 3: Cross multiply
    3,325.05x = 4,588.45 × 1,998.88
  4. Step 4: Simplify right side
    3,325.05x = 9,171,760.94
  5. Step 5: Solve for x
    x = 9,171,760.94/3,325.05
  6. Step 6: Final answer
    x = 2,758.38

Related Problems

Find fourth proportional to 1,662.53, 2,294.23 and 999.44
Half scale
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Double scale
Find fourth proportional to 3,326.05, 4,589.83 and 1,999.88
Similar ratio
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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.