Home / 3,464.10-5,189.47-1,998.81

Finding the Fourth Proportional to 3,464.10, 5,189.47 and 1,998.81

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Solution

The fourth proportional to 3,464.10, 5,189.47 and 1,998.81 is: 2,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.10 : 5,189.47 = 1,998.81 : x
  2. Step 2: Convert to fraction form
    3,464.10/5,189.47 = 1,998.81/x
  3. Step 3: Cross multiply
    3,464.10x = 5,189.47 × 1,998.81
  4. Step 4: Simplify right side
    3,464.10x = 10,372,759.53
  5. Step 5: Solve for x
    x = 10,372,759.53/3,464.10
  6. Step 6: Final answer
    x = 2,994.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.