Home / 3,457.05-5,181.47-1,993.19

Finding the Fourth Proportional to 3,457.05, 5,181.47 and 1,993.19

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Solution

The fourth proportional to 3,457.05, 5,181.47 and 1,993.19 is: 2,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.05 : 5,181.47 = 1,993.19 : x
  2. Step 2: Convert to fraction form
    3,457.05/5,181.47 = 1,993.19/x
  3. Step 3: Cross multiply
    3,457.05x = 5,181.47 × 1,993.19
  4. Step 4: Simplify right side
    3,457.05x = 10,327,618.32
  5. Step 5: Solve for x
    x = 10,327,618.32/3,457.05
  6. Step 6: Final answer
    x = 2,987.41

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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.